However , Sakuya appears and manages to help stave off the monsters , although Kotarou also rewrites himself to the point where he is no longer human .
Everyone fights the monsters , but Kotarou is eventually the only one left .
However , Sakuya appears and manages to help stave off the monsters , although Kotarou also rewrites himself to the point where Kotarou is no longer human .
Everyone fights the monsters , but Kotarou is eventually the only one left .