Kouta Akimoto

Kouta Akimoto (秋本 コウタ Akimoto Kōta) is the friend/classmate of Takashi Kosuda who is one of Yamada's groupies.

Trivia

 * Kouta's surname Akimoto means "autumn" (秋) (aki) and "base, root, origin" (本) (moto).