"Kai is a new artist and the twin brother of Riku who both belong to the major idol label Judas. Kai, who has an active and rough personality, always watches over his little brother Riku. He respects Shu☆zo a lot."
—translated from the official SHOW BY ROCK!! website
Profile
Band: Trichronika
Instrument: Drums
Instrument Name: SGKD
Species: Not Publicized
Interests
Hobbies: Dancing
Likes: Shu☆zo-kun, dancing
Dislikes: Using his head
• His drum set's name, SGKD, is short for Super Ganbari Kai Drums (スーパー・ガンバリ・カイ・ドラム Suupaa Ganbari Kai Doramu).
He works part-time as a dance instructor for Judas☆Junior Dance♪ School.
• Our Shiny Star☆ is his character duet with Riku.
• In his dialogue, he refers to Shu☆zo with the honorific "-kun" written in hiragana (くん).
(https://show-by-rock-fes-a-live.fandom.com/wiki/Kai)
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