Makoto, a fourth-year student at a prestigious university, is spending happy days with Yuuki, who is participating in the intercollegiate club she belongs to. However, one day, Yuuki showed her tattooed body saying, "I'm not the girl you think Makoto is...". Although surprised, Makoto accepts Yuuki and tells her what she loves. At a later date, when Yuuki disappeared, Makoto, who was worried about her, went to Yuuki's house. There used to be people who had tattooed Yuuki's body and toyed with her as her sex slave...
