Kokomi is a pure high school girl who dreams of becoming a fairy tale writer. Her classmate Takashi, intending only a harmless prank, plots to kidnap her and, together with his seniors, turns her into their sexual plaything. The situation quickly spirals out of control, and in their panic, Takashi and the others seek help from Matsuzawa, a local thug. But this decision leads to an unforeseen and horrifying outcome. Kokomi is locked away in a hideout, forced into a life of degradation as a drugged sex slave. As she endures her miserable existence, the story grips readers with the question of how—or if—she can ever escape, and how this tragedy will ultimately conclude.