Age: 15 (Season 1), 17 (Season 2)

Birthday: April 11

Zodiac sign: Aries

Height: 175 cm

Weight: 60 kg

Blood type: O

Instrument: Guitar

Hobbies: Soccer, all sports in general

From: Tokyo

Kind, affable, and honest, Otoya's smile shines like the sun and brightens the lives of everyone around him. He has loved singing since he was a child and always aspired to become an idol. He is energetic and active, and often acts on impulse. He is a natural athlete, making him an especially skilled dancer.

Haruka's classmate in A Class. He shares a room with Tokiya from Class S.