Editorials 
Kainuma Ryusei
- Name: Kainuma Ryusei
- Native name: 海沼流星
- Nationality: Japanese
- Gender: Male
- Born: June 19, 1999
- Age: 27
He was selected to join the group after being one of the finalists from the 2017 Vocal Battle Audition 5 (Rap category). The group made their official debut on May 22, 2019.
Prior to debut, he was a student in LDH's dance school EXPG in Omiya.
His dancing talent led him to join the EXPG special dance project Crasher Kidz where they used to perform in the streets. (Fellow BBZ bandmates Riki and Ryuta were also part of this project).
He's skilled in dancing, rapping and acrobatics. He's also fluent in Portuguese. Edit Biography
TV Show
| Title | Rating |
|---|---|
VS. Bullet Train
Japanese TV Show, 2025, 70 eps
(Guest)
|
0.0
|
With Music
Japanese TV Show, 2024, 25 eps
(Ep. 27)
(Guest)
|
0.0
|
The Weekly 99 Music
Japanese TV Show, 2023, 110 eps
(Ep. 33)
(Guest)
|
0.0
|
Ano-chan no Den Den Denpa
Japanese TV Show, 2023, 180 eps
(Ep. 7)
(Guest)
|
0.0
|
New School Breakin
Thai TV Show, 2022, 24 eps
(Regular Member)
|
7.8
|
Music Blood
Japanese TV Show, 2021, 78 eps
(Ep. 64)
(Guest)
|
8.3
|
Ariyoshi no Kabe
Japanese TV Show, 2020, 200 eps
(Ep. 113)
(Guest)
|
8.0
|
Shibuxile
Japanese TV Show, 2020, 38 eps
(Ep. 8, 31)
(Guest)
|
8.1
|
CDTV Live! Live!
Japanese TV Show, 2020, 200 eps
(Guest)
|
8.0
|
BALLI7
Japanese TV Show, 2020, 90 eps
(Regular Member)
|
9.5
|
Generations High School TV
Japanese TV Show, 2017, 250 eps
(Guest)
|
10.0
|
Love Music
Japanese TV Show, 2015, 350 eps
(Guest)
|
7.9
|
Buzz Rhythm
Japanese TV Show, 2015, 515 eps
(Ep. 486)
(Guest)
|
7.9
|
Premium MelodiX!
Japanese TV Show, 2013, 500 eps
(Guest)
|
0.0
|
Ningen Kansatsu Variety Monitoring
Japanese TV Show, 2012, 450 eps
(Ep. 369)
(Guest)
|
8.0
|
J-Melo
Japanese TV Show, 2005, 576 eps
(Guest)
|
0.0
|
Music Station
Japanese TV Show, 1986, 1328 eps
[Performer]
(Guest)
|
7.9
|
Music Fair
Japanese TV Show, 1964, 3000 eps
(Guest)
|
7.0
|
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