 Such a traumatic event in his past made Ikumi very protective of others, towards the point of insanity.This, combined with the increasing amount of violence aboard Ryvius and the brutal assault of his girlfriend, made him a coldhearted leader who cannot seem to distinguish between his allies and enemies, even going so far as to shoot his own friend.A 16-year-old girl from the moon, Kozue expresses her emotions easily and with clarity as she is honest about them.