About

Nanami's big brother. Though he was once a Gunpla builder good enough to appear in the World Tournament, a certain incident led to his retirement from Gunpla Battle. The efforts of Riku and his friends touch Koichi's heart, and he decides to make his comeback as a member of their force.

Anime

Voice Actors

• 

  Tamaru, Atsushi

  Japanese

• 

  McCarley, Kyle

  English