Yuki, a newly married young woman, discovers that she is pregnant and is eager to tell her husband, Kenji, a promising student at an elite ninja school. But before she gets the chance, Kenji, most of the other students, and nearly all of the teachers from his school are kidnapped by the evil wizard Gorou. Gorou is not strong enough to kill them, so he traps them. But the wise sorcerer Daichi, one of the teachers who escapes capture, discovers a magical loophole: Yuki has a chance free them...as long as she is pregnant with Kenji's child. Unfortunately, the training Yuki will need to undergo in order to successfully free her husband will likely take years, and as soon as she gives birth, the loophole disappears. She persuades Daichi to cast a spell that will keep her pregnant until she is a