A zombie devil girl who was assigned to release Lady Emmanial from Kohta's testicles. Her ability to control any part of her body, even when detached, aids her in her attempt to make Kohta ejaculate by stealthily making him swallow her finger bone. But her hopes of stimulating him fails.
Age: 52 Job: Ninjutsu Academy Office Worker Real name unknown. She's the woman who handles the more important paperwork at Ninjutsu Academy. Her position at the academy means there's next to nothing that gets past her so she's in the know about most the secrets of both the academy students and staff.
The woman in charge of the kitchen at Ninjutsu Academy. Though her real name and personal details are unknown and she's always referred to as the Mess Hall Lady, she's one of the most respected people at the academy and often called Ninjutsu Academy's strongest old lady whom not even the Headmaster can stand up to. The students often consult with her when they're troubled by something, since she's usually kind, helpful and understanding - unless leftovers are involved. "Leftovers are unforgivable" is her often repeated motto, and failing to live up to it can have frightening results.
Another sleeper on Second Earth who is paired with Tony. She is very young and often naive. She immediately gravitates towards Yuji, seeing Marlene as an obstacle to a relationship with him.
Another sleeper brought to Second Earth before Yuji. A very powerful sleeper, Yuji strives to improve himself to be able to beat Tony. Tony seems to have no emotion, and is set on destroying the Blue. It becomes apparent in later episodes, however, that he sees himself as a Messiah, and has his own plans for the fate of humanity.