Kip. 134: Izumo Myth Murder Case File 3

134

The skeleton turns to be a professor who has connection to the two victims. At the same night, the university professor, Shirai, breaks out the code of the tomb of Yamata no Orochi, and he manages to get into the "tomb", which is actually a big cave next morning. But just at that moment, he is killed in the cave. (Source: Wikipedia)