Yuria Haga

Four girls take part in an underground fighting event.

Orphnochs battle Smart Brain's extermination plans. Masato clashes with enforcer Reina. Takumi resurfaces as next Faiz, assisting Smart Brain. His intentions spark fresh Orphnoch-human tensions as the core conflict.

On the last day before high school sophomore Akira moves to Tokyo to join another school, a bizarre love quadrangle develops between her old schoolmates Nao, Gaku, Tamaki and her, one which must be resolved in an archery duel.