Synopsis A story about a heroine who works at a paranormal research institute who is seduced by a male paranormal with a strong obsession [Part 1] The heroine "Yukino" returns to her hometown to investigate a certain paranormal phenomenon. She visits "him" who she has feelings for, but there she finds the tentacles of an unknown low-level paranormal... The abnormally grown tentacle-type paranormal begins to play with her body... She is saved by "Shiro", a paranormal she has met again for the first time in six years However, the atmosphere is different from before... "Shiro"'s obsession with "Yukino" has reached its limit, and he begins to indulge in pleasure...