But Mashiro's secret is that he’s neither fully male nor female! So far, Mashiro's been able to live his life as a boy, but all this changes when he's informed of a new class he must take in order to graduate from his elite prep school. To pass, he must find the “Key”…and the only way to find it is to enter into a nightmare world where his body and soul are put at the mercy of the worst kind of enemies: his classmates!

    Among his coffee shop's regulars is a college student named Jun, who often studies there. It was love at first sight for Kazuto! Will Kazuto be able to find the courage to confess his crush before Jun graduates college and stops frequenting the shop? And to make matters even more complicated... it seems Jun has his sights set on another worker at the café!

    Later, he finds out that Mio had been in Tokyo for five months already, going from place to place and followed by a nasty rumour. Worried about Mio, Shino invites him to live together and helps him find a job.Still, one can't help but wonder what happened before, how much of the rumour is the truth and what's going to happen from now on.

    He hides out on the rooftop, it's his special illegal place. He finds Mikado Shirahane on the roof one day. He's the hottest, smartest guy in school, and now he's in Towa's Xanadu...why would Towa find himself falling for him? Perhaps it's the passionate kisses and longing looks from the school stud...!?

    His mind and body are taken over in succession by two female ghosts who use their incorporation to resolve something left undone by their untimely deaths...gender-bending hi-jinks ensue...