Manami was born into a wealthy family, but she hates her family lineage as fake. She meets Jun, a wealthy gay man. June took Manami to a night club and she gets interested in Seiya, a host guy who has had sex with Jun for business.

As the sole survivor of a horrendous and rather mysterious accident, teenage Mitsuko's day is off to a bad start. An unstoppable force of nature, a doomed field trip, and a strange case of amnesia easily coexist in a bizarre parallel universe, where a desperate Mitsuko is always on the run from something inexplicable, intangible, and utterly deadly. However, amid piles of fresh corpses, mounds of scorching bullet shells, and rivulets of fragrant adolescent blood, Mitsuko must fight to stay alive, before her already messed-up day becomes even stranger. But one question still remains: who or what is the enemy?

Shiromajo Gakuen is a secret garden that accepts girls who have been emotionally injured. Moga becomes a white witch after receiving training and leaves Shiromajo Gakuen to save the world, but a white witch, Rina, appears in front of her. Also, black witches, who are hostile to the white witches and are attempting to create a new world with a spell, appear in front of her. Later, Moga sneaks into Kuromajo Gakuen to save Rina after she was kidnapped. There, Moga sees a girl who once stayed with her at Shiromajo Gakuen.