Kotoko watches Kuro before Saki arrives in time to see Nanase crush Kuro's head, only for it to regrow. Saki is concerned that Kuro still seems unconcerned. Kuro approaches Nanase, dodges her attack and restrains her. Saki is confused as his dodge looked perfectly timed. Kotoko reveals the second yokai Kuro ate was a Kudan, allowing him to predict future events. 10 generations ago the head of Kuro's family forced his relatives to eat Kudan to gain prophetic powers and Mermaid flesh so they would not die after seeing the future, but even more people died and the experiments were abandoned...