Takao comes to the conclusion that the "large beast" responsible for severing the man's leg was, in fact, a Tyrannosaurus Rex. Following this shocking deduction, the case rapidly develops, and she and her crew head to the place where they hope to get answers to the remaining mystery of the victim's blue blood.

"All who desecrate my grave shall be cursed to die." A university research team examining a grave reportedly linked to renowned onmyoji, Ashiya Doman, have started complaining about not feeling well, one after another. Takao is asked to investigate, but the case takes an unexpected turn.