A thorough explanation of the profile, career and charm of LYU (Kodama Ryuryo), a former member of Maison B! [3rd place for June 2023]
This time, we are bringing you a special feature on "LYU" from Maison B, who was ranked 3rd in the popular ranking for June 2025.♪
Debuted as a member of Maison B in February 2023,
The gap between cute characters, sexy singing voices and beautiful dancing on stage
LYU-kun is capturing the hearts of his fans with💘
LYU will celebrate his 22nd birthday on June 12th.🎂
In addition, we were selected as 3rd place in the "June's Favorite" of our user voting media "Monthly Favorite Ranking".👏
This time, we will thoroughly explain the profile of LYU (Ryusuke Kodama) and his career.!
Furthermore,LYU-kun's charm based on the voices of fans in the "Monthly Favorite Ranking"We will carefully select and introduce👀✨
Audition programs that LYU-kun has tried so farHis performance in “PRODUCE 101 JAPAN SEASON 2” and “CHUANG Asia Season 2 (Chuang Asia 2025)”We will also be introducing them, so please check it out until the end 🥰❕
In addition, our company also offers Oshii Advertising®︎(Birthday/support advertisement)💡
For those who want to advertise their favorites but are worried about the financial aspects, we also offer a crowdfunding service called ``Oshikura Fan.''😌
We are currently recruiting project owners for Oshikura fans.✨
If you register on our LINE...
✔️Participate in the favorite vote
✔️Direct, free consultation
becomes possible💡
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If you are wondering, "What kind of media should I use to advertise?", please check out this page.✨
Those who want to participate in next month's favorite voteYa,“LYU-kun’s recommended advertisement (Birthday/I want to run a support advertisement)! ” “I’m interested in Oshikura fans!” If you say,
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Profile of LYU (Ryusuke Kodama) from Maison B

- Activity name: LYU
- Real name: Ryusuke Kodama
- Date of birth: June 12, 2003
- Age: 21 years old (as of May 2025)
- Birthplace: Shizuoka Prefecture
- Blood type: O type
- Height: 178cm
- MBTI: INFP
- ⭐Instagram:@lyu_maisonb
LYU (Ryusuke Kodama) was the youngest member (maknae) of the seven-member boy group "Maison B" until May 20, 2025.🌼
LYU-kun is also known as a participant in "PRODUCE 101 JAPAN SEASON 2" which produced INI.🎵
After appearing on "PRODUCE 101 JAPAN SEASON 2", he appeared on the music program "MUSIC BLOOD" project "THE NEXT UP ~Next is you~"📺
After the debut project on the program, he was selected as a member of Maison B.🎉
After his debut, he attracted attention not only for his group activities as Maison B, but also for his appearance on "CHUANG Asia Season 2 (Souei 2025)"🤍
Maison B unfortunately disbanded on May 20, 2025.
Armed with his experience from his time in the group and the skills he gained through two audition shows,
I have high hopes for further success in the future.🌟
What makes LYU-kun so attractive is the gap between his on- and off-duty lives.😌
LYU usually has a pure and cute demeanor, but once he gets on stage, his impression changes completely.✨
Sweet and sexy vocals that convey your emotions straight to you, and dance that is carefully expressed down to your fingertips.🎤
It is said that more and more fans are captivated by this gap.💘
LYU's relaxed facial expressions and natural sex appeal are also unique to him.☺🙌
BTS is what made me want to become an idol
The main reason why LYU started aiming to become a K-POP idol wasExistence of K-POP group BTSIt was💜
In the self-introduction video of the audition program “CHUANG Asia Season 2 (Souei 2025)”,
“BTS are the people who inspired me to pursue my dreams.”
This shows that he is someone he admires.👀🌟
Step into LYU’s world! 🌍✨
— CHUANG ASIA (@CHUANGASIA) January 17, 2025
🌟💬 Are you ready to get to know me better?#CHUANGAsiaS2
Starting from February 2, 2025
Every Sunday 4:50 PM GMT+7 On WeTV @WeTVOfficial#CHUANGAsia pic.twitter.com/K1YU77siNW
On a radio show she appeared on before her debut, she said, ``I aim to become an artist who can compete with BTS and surpass my dreams.''💡
The level of professionalism is very cool.💝
LYU (Ryusuke Kodama) career

LYU has made his presence felt on various stages, including his activities with Maison B and his participation in audition programs twice.✨
The background behind this is the continuous efforts and efforts that have been made to continue to challenge without giving up on dreams.👑
Here, we will introduce LYU-kun's path to where he is today.💌
Belongs to Entertainment Academy in Shizuoka Prefecture
LYU-kun is from Shizuoka Prefecture!
When I was around 15 years old, I entered an entertainment academy based in Shizuoka Prefecture.🌟
My experience here may have been an important foundation for building the foundation of my current performance.💫
Even after "PRODUCE 101 JAPAN SEASON 2", which I will introduce later, ended, he returned to this entertainment academy and continued to take lessons in pursuit of his dream of making a debut.🙌
Became a trainee at YX LABELS (formerly BigHit JAPAN)
During the broadcast of "PRODUCE 101 JAPAN SEASON 2", LYU-kun said,
Former trainee of "YX LABELS" (formerly BigHit JAPAN/HYBE LABELS JAPAN)
It was revealed that it was🌱✨
Speaking of YX LABELS, it is the Japanese subsidiary of HYBE, a major Korean agency, and is an entertainment agency to which "&TEAM" and "aoen" belong.🌟
Furthermore, it seems that LYU-kun had already left YX LABELS when he participated in "PRODUCE 101 JAPAN SEASON 2".👀
When this biography was made public, it became a hot topic on SNS immediately after the program aired, and it attracted attention.🌟
Appeared on “PRODUCE 101 JAPAN SEASON 2”
Introducing the trainee profile!📝
— PRODUCE 101 JAPAN THE GIRLS (@produce101jp_) April 1, 2021
Name:#Ryusuke Kodama #KodamaRyusuke
Age: 18 years old
Height: 178cm
Blood type: O type
Hobby: Watching dancers dance
Special skill: Basketball⛹️🏻♂️#PRODUCE101JAPAN2#LETMEFLY pic.twitter.com/Gvh3TQUs7T
LYU-kun appeared on the audition program “PRODUCE 101 JAPAN SEASON 2” that was broadcast in 2021.📺
The content "1 minute PR" appeals to viewers with a beautiful singing voice and a cute puppy-like smile.🌸
And in the first "level placement test",
Wataru Takahashi (currently an OCTPATH member), who was my friend from Entertainment Academy and practiced together at YX LABELS.
and formed the “KTS” team!
BTS performed “Lights”🎤
In the following "Group Test", SHINee performed "Your Number"🎉
Since that time,His relaxed expression, charming smile, and stable performance are still alive and well.❕
However, unfortunately, in the first ranking announcement, she was eliminated in 53rd place, and her appearance on ``PRODUCE 101 JAPAN SEASON 2'' ended.
Debut as Maison B
After appearing on "PRODUCE 101 JAPAN SEASON 2", LYU returned to the entertainment academy he attended and once again worked hard at lessons to pursue his dream.🙏
The turning point for him came about a year later in 2022.📆
Surprisingly, I received a direct call from rapper KEN THE 390, who appeared as a trainer on "PRODUCE 101 JAPAN SEASON 2".🎤✨
The invitation isA story about their participation in the new boy group debut project “Ganbare Ken-chan (tentative name)” that will be held on the music program “MUSIC BLOOD”It was😏
LYU-kun decided to seize this opportunity and participate in the project.❕
Under the production of KEN THE 390, the members who unfortunately missed their debut in "PRODUCE 101 JAPAN SEASON 2" reunited and formed "Maison B".💫
Then, on August 19, 2022, “Bringing Out” will be released and its pre-debut.👑
On February 15, 2023, they will release their debut EP “Foundations” and finally make their official debut.🎧💕
Maison B was steadily growing as a group, butAnnouncement of suspension of activities as a group from December 1, 2024📝
Furthermore,The dissolution of Maison B was announced on May 20, 2025.。
[Important notice]
— Maison B (@MaisonB_) May 20, 2025
Regarding the dissolution of Maison B
For details, please see the attached image or the website. pic.twitter.com/hQmsc3tNe1
Maison B delivered an irreplaceable time to their fans.
Its charm still remains in the hearts of many people.💡
I'm really looking forward to LYU's future activities as he takes a new step based on the experience he gained at Maison B.💐
BirthdayJAPAN also publishes special articles on Maison B.🌟
If you want to look back on the group's history, please check it out!👇
Appearing in “CHUANG Asia Season 2 (Sousei 2025)”
January 2025, when Maison B was suspending activities as a group.📆
『CHUANG Asia Season』2 (Sousei 2025)'' LYU's profile has been published as a participant.👏✨
LYU | JAPAN
— CHUANG ASIA (@CHUANGASIA) January 16, 2025
SEE THE WORLD, FIND YOURSELF.
🌍🎤🧭🕺🏼🎵🏀🎮🎧✨#CHUANGAsiaS2
Starting from February 2, 2025
Every Sunday 4.50 PM GMT+7 On WeTV #CHUANGAsia #CHUANGAsiaS2TraineeAnnoucement pic.twitter.com/VQsM0hm4BL
Hey there! 👋 I’m LYU, a trainee on #CHUANGAsiaS2 !
— CHUANG ASIA (@CHUANGASIA) February 1, 2025
I may be new to you now, but I hope you'll get to know me and cheer for me along the way! 🎶✨
Please support me by watching CHUANG Asia S2,
Every Sunday at 4:50 PM GMT+7 On WeTV 💖
You can watch it here 👉… pic.twitter.com/zwoOU1wF5s
What is “CHUANG Asia Season 2 (Chuang Asia 2025)”?
“CHUANG Asia” (Chuang Asia 2024), which produced the 9-member girl group “Gen1es”
This is an audition program that follows👏
Our aim is to discover talented trainees from around the world and pave the way for them to become international stars.
Thailand, China, Japan, Korea, Malaysia, Indonesia, etc.
Contestants gathered from all over Asia🌟
“CHUANG Asia Season 2 (Souei 2025)” is set in Thailand.🎵
LYU-kun isI went to Thailand with Maison B members HIKARU and SHOYA to participate in "CHUANG Asia Season 2 (Souei 2025)"🎉
The three performed "Get Loud" and showed off their charismatic and cool looks to the viewers.😭🎀
At the first ranking announcement ceremony,17th placeWith this result, we advance to the next round!
At the second ranking announcement ceremony, I was placed 23rd and unfortunately could not advance to the final round.😣
After that, LYU-kun left a message on SNS.💌
What is the charm of LYU (Ryusuke Kodama)?

From hereWe will carefully select and introduce LYU-kun's charms based on the voices of fans in the "Monthly Favorite Ranking"I will♡
sexy & nostalgic singing voice
The first thing I'd like to introduce to you is LYU's "sexy and nostalgic singing voice."🎤
LYU's big charm is his sweet, nostalgic singing voice that you'll never forget once you hear it.👑
For example,He was responsible for the introductory part of “Paradise”, which was included in Maison B’s debut EP “Foundations”.🎤
LYU's unique and sexy singing voice has a habit of making you want to listen to it over and over again.🎀
Also, &TEAM performed “FIREWORK” at “CHUANG Asia Season 2 (Souei 2025)”🎆
LYU-kun was in charge of the beginning of the song on this stage as well, drawing the entire venue into the world of the song at once.🙏✨
Please pay attention to LYU-kun's highly expressive singing ability.💓
Here, we would like to introduce comments received from fans.💌
- 📢sexy singing voice
- 📢Her voice has been attractive since her debut.
A dignified dance performance
The second charm of LYU that I would like to introduce is his ``dignified and careful dance performance.''❕
The sharpness of LYU's dance and the lack of movement in his core are amazing.👀
It's powerful, but classy.
LYU's unique dance performance captures the hearts of fans.😍
Here,LYU’s dance performance is both beautiful and coolIntroducing all the content you can enjoy💌
@lyu_maisonb Iike JENNIE 🔥 @JENNIE #likejenniengasias2#LYU#dance#dancecover ♬ Original song - CHUANGASIA-LYU
There is no doubt that you will fall in love with LYU's dance, where you can feel the beauty and sexiness of her fingertips.😉💗
Here, we would like to introduce comments received from fans.💌
- 📢The sharpness of the dance is amazing! !
- 📢The gap between a cute smile and a sexy dance.
- 📢LYU-chan always brings comfort to everyone with her big smile, but I'm always overwhelmed by her powerful performance on stage!
Gap between cute smile and sweet tooth character
The third charm of LYU that I would like to introduce is the gap between his cute smile and his sweet tooth.💘
LYU shows off his charisma on stage and captivates fans with his sexy singing voice and dancing.👑✨
However,When you get off the stage, a super cute "younger brother character" appears.♡
The first thing that captures the hearts of fans isthat lovely smile🌷
Also, he is a ``glutton'' who happily eats everything.
“You’re too angelic…!”
is a hot topic among fans.👼✨
Watching LYU-kun mumble makes me feel happy too.💕
@maisonb_official Mogumogu mogumogu #MaisonB ♬ Perfect Night (Sped Up ver.) - LE SSERAFIM
@maisonb_official eat eat #rice#Takoyaki#Parfait #MaisonB #LYU ♬ "Pien" song - Needle Spico
The gap between her usual cute and soothing appearance and her charismatic appearance on stageIsn't that one of the points of LYU-kun's departure from the swamp?💝
Here, we would like to introduce comments received from fans.💌
- 📢The gap between Ryu-chan's soft smile and her performance is the best
- 📢Apart from her sexy singing voice, she is also a glutton who also likes sweets such as donuts.
LYU (Ryusuke Kodama) ranks 3rd in the monthly favorite ranking "June 2025 favorite"!

Celebrated the 20th timeThe third place for "June's favorite" was LYU (Ryusuke Kodama) from Maison B who received 26 votes.👑
After the voting started, many fans got excited.💕
From all the fans
“Happy birthday Ryu-chan!
This year, you tried your hand at auditions and worked really hard!
I feel confident that Ryu-chan has become more expressive and cool in her dance.
Of course, the attractive voice is still alive and well, so the number of overseas fans is increasing, and I'm looking forward to the future.♪」
“Happy 22nd birthday, Ryu-chan!
Please continue to show us your sharp performance.”
“LYU-chan is trying many things this year!
I'm really looking forward to seeing LYU-chan become a little more mature and her dancing skills getting better and better! Happy birthday! ”
We received many loving and supportive comments such as✨
Congratulations to all the fans! !
Also, thank you for participating in the vote!
Get 3,000 yen off for recommended X ads that are in the TOP10!
LYU-kun is in the top 10 favorite rankings.X Advertisementis 3,000 yen OFFIt will be👏
By advertising your favorite on SNS ads, you can celebrate your favorite's birthday or anniversary with fans all over the world.☺️❤️🔥
If you would like to know more about X advertising, please feel free to contact us.🎶
Favorite advertisement (Birthday/ Support advertisement) and support LYU (Ryusuke Kodama)!

Do you know about "Oshii Advertising"?💡
「BirthdayMany people may be familiar with it by names such as "advertising" and "supporting advertising."♪
To briefly introduce it, what is Oshii advertising?Advertisements for fans to support their favoritesIt is📢
Here, we will introduce in detail about such advertising.✊✨
Favorite advertisement (Birthday/Support Advertisement) What is it?
What is push advertising?As the name suggests,"Advertisement for fans to support their favorites"It means🌷
「I want to support my push with all my might!」「I want to celebrate my favorite anniversary in a big way!Fans with the idea of ``are voluntarily placing advertisements for non-commercial purposes.''🏁
In addition, Oshi advertising has the advantage of not only ``conveying our feelings to Oshii'' but also ``allowing us to advertise Oshi to various people!!''💡
LYU-kun's recommended advertisements can now be seen in various places.💖
If you are thinking, "I would like to run an advertisement promoting LYU-kun," please feel free to contact us.🌟
Also,BirthdayOn the JAPAN site, you can now easily search for examples of Oshii advertising using keyword searches or narrowed searches.🔍
“Where is everyone advertising their recommendations?”
“What does this medium actually look like?”
“What kind of design are you celebrating with?”
You can check all the points you are interested in at once.BirthdayThis is JAPAN's "Oshi advertising case study introduction" page.💡
We are posting various promotional advertising examples regardless of genre, such as idols, artists, actors, YouTubers, etc.📚
While looking at the photos and information of the recommended advertisements that were actually posted,"There's a place like this!" "This design is wonderful!"Please use this as a reference for ideas.💫
Furthermore, if you want to know the latest Oshii advertisements and Oshikatsu information as soon as possible,BirthdayWe also recommend following JAPAN Official X 🤍
We deliver useful information such as new articles and recommended advertisements.💌
Solve your financial concerns with “Oshikura Fan”!
"I'd like to run a promotional ad, but I'm worried about the cost and it seems like a lot of preparation..."I'm sure there are people who are worried about this.😢
What I would like to introduce to such people is “Oshikura fan”🌟
What is Oshikurafan?
「Launched and planned a project where individuals would issue support advertisements for their favorites.A service where supporting people can donate money to support advertising.」
That's it!
By sharing support funds with those who agree with the project,
The big advantage is that you can put out large-scale advertisements that are difficult to put out by one person.✨
By using Oshikura Fan, you may be able to advertise on a fandom scale⭐
We work with planners to support everything from project launch to advertising arrangements, payment management, and delivery management.♪
In fact, &TEAM, BOYNEXTDOOR, and actor Choi Jong Hyub's club fans achieved the target amount and the advertisement was implemented!

Also, “I want to advertise, but I don't have time to prepare or plan...!If you are feeling frustrated, don't worry!
Even such people can participate in Oshi advertising by becoming a “supporter” of Oshi Club fans⭐
This is one of Oshikura fans' major strengths.💗
For those who support the project, we will provide return items made with a portion of the support funds.♪
In the unlikely event that the target amount is not reached, there will be no fees and a full refund will be given to supporters, so don't worry.
If you have any concerns about Oshikura fans, please feel free to contact us as we offer free chat and phone consultations on the official LINE!
「I want to know more about Oshikura fans!”, please take a look here!
We will introduce in detail the types of advertisements that can be placed on Oshikura Fan and the process to achieve them.♪
Summary
This time,Special feature on LYU (Ryusuke Kodama) from Maison B, who was ranked 3rd in the June 2025 recommendation ranking.I have sent you♪
She has a cute and pure atmosphere and shows off her sex appeal and charisma on stage!
I think there are many fans who are captivated by that gap.💘
LYU-kun has so far taken on large-scale audition programs such as "PRODUCE 101 JAPAN SEASON 2" and "CHUANG Asia Season 2 (Souei 2025)".
After working as Maison B, we have steadily stepped up.🌱
Maison B disbanded in May 2025, but I'm sure the past experiences have been a great source of strength for LYU-kun.💐
I'm sure that experience will support me in taking a new step in my future activities⭐
I'm really looking forward to seeing LYU-kun's challenges and success in this new environment.🌸
Once again, congratulations to LYU-kun and all the fans who were selected as 3rd place in "June's favorite"♪
BirthdayLeave it to JAPAN!

After reading this article, I thought, ``I am also a recommended advertisement (Birthday / I want to run a support advertisement! Many people may have felt that♪
「I don't have the courage to advertise...」「Isn't the procedure difficult?” If you are worried, please tryBirthdayPlease feel free to contact JAPAN ^^
BirthdayWhen you register for JAPAN's official LINE,Auto-response chat will solve your problems regarding support advertisements!

You can feel safe by chatting with our staff or by phone.♪
From consultation to media arrangement to design production to advertising implementation reportYou can complete it with just LINE!
First of all, please try registering as a LINE friend ^^
★BirthdayJAPAN SNS information★
BirthdayIn JAPAN, “X」「Instagram」「TikTokWe are also distributing SNS on ``♪
Birthday/Not only information on support advertisements, but also information on actors and idols, and great deals, so please be sure to follow us ^^
X (@birthday_ad_jp)
「BirthdayI want to get information about JAPAN as soon as possible!”, please follow X♪
Make dreams come true...! #crowdfunding Thorough explanation of the mechanism from the beginning 🫡
— BirthdayJAPAN (@birthday_ad_jp) October 9, 2024
We will introduce 5 recommended crowdfunding sites based on our track record.❤️
Birthday/Our company specializing in support advertising #BirthdayClafan Don't miss out on✍️https://t.co/ze37sUzoWx
In X, theBirthday/We will quickly send you information about support advertisements and blogs about idols, actors, etc. that we update every week ^^
We also distribute campaign information, so don't miss it!
Instagram (@birthday.ad.jp)
「I want to get information in an easy-to-understand manner with images!”, please follow us on Instagram!
On Instagram, we provide easy-to-understand images of key points from blogs about actors and idols that we publish every week.♪
carried outBirthday/ We also introduce support advertisements, so if you are considering it, please refer to it!
You can "save" your favorite posts and revisit them anytime ^^
TikTok (@birthday.ad.jp)
「Focus on saving time! I want to get information quickly through videos!”, we recommend following you on TikTok♪
@birthday.ad.jp This is our thoughts on our promotion.😄I'm looking forward to connecting with everyone who has the same thoughts!#Oshikatsu #KPOP #Otakatsu #BirthdayAdvertisement #Birthdayadvertising agency japan #Korea #Japan #Korea information ♬ POP! - NAYEON
On TikTok,Birthday/We explain information about support advertisements and blog information in an easy-to-understand manner with videos ^^
It's a short video, so you can watch it in your morning time.♪
We plan to continue disseminating various information through SNS!
Please follow us so you don't miss out on the latest information ^^





