Name: Hiirone Ryo ( Western: Ryo Hiirone)
Weight: 112 Ibs (51 Kg)
Height: 5'2" feet (158 cm)
Birthday: 23rd January
Released date: 26 July 2009
Character item: Red notebook
Likes: His notebook, his senpai, act as a shota
Dislikes: Hibiki Naraune, getting bullied, older people
Personality: Quiet but aloof, he rarely get along with anyone with exception to his mentor, Wakana. He can be stingy when it comes to his own appearance. Ryo having rivalry to Hibiki but they still best friend.
His family name "Hiirone" written as 緋色音 meaning "Scarlet sound" as note he is scarlet-ish colour theme.
His surname "Ryo" written as 侶 meaning "companion" which he always be someone's companion for that long.