Sono Kirihara

Sono is Taiyou's roommate at Kazami Dormitory. The son of a famous Japanese ikebana (floral arrangement) master, Sono is at the dorm after leaving home following a quarrel with his father over what he believes are his father's strict rules about floral art. Initially unapproachable and moody, he soon warms up to Taiyou's incessant cheerfulness and the two become friends. Taiyou admires Sono's knowledge of flowers and persuades him to join the Bee Bee Company. Sono also works at Atelier Hinata. Taiyou coined the name "Black Kirihara" after mistaking Sono's younger brother for him, noting their opposing personalities.