Furuichi is a friend of Akiyuki, and like Haru practices martial arts, although it seems that she is much better than him. Unlike Akiyuki, Furuichi is slightly more cynical and serious, although he is playful enough to bet with Haru on whether Akiyuki will be late or not. Furuichi joins the Mainsoul military, and demonstrates great skill in fighting Xam'd, whilst his relationship with Haru drifts apart. As a result, the reuninon of Akiyuki and Haru is interrupted by him and he declares his intentions of killing Akiyuki, due to his cold indifference over the idendities of Xam'd. (Source: Wikipedia)
After being released from the military, he continues to want to be with his two best friends. When the troops show up to watch him, expressionless, he decides to use his powers and devours his head with his transformed hand, dying on the spot.