Satomi Okawa  

, 大川里美

Gos' best friend is also a musician who plays the keyboard in "Bee Hive". Although they come from different backgrounds, he is calm and introverted while Gos is outgoing and talented. He attends university and teaches private keyboard lessons during his free time. Before Go even realizes it, he has fallen for Yakko and becomes jealous when he discovers that Go is also interested in her. However, after realizing that Yakko prefers Go over him, he leaves the band temporarily but eventually returns to support them through tough times as a loyal friend.