As Kuro visits his cousin, a long term hospital patient, he tells Kotoko he ate mermaid flesh, which should have made him immortal but the second yokai he ate reduced the immortality to a powerful healing ability, though does not reveal what the second yokai was. He also reveals his flesh has become poisonous to yokai. Kotoko asks him to visit a Giant Snake mountain guardian but he refuses. Kotoko visits the snake alone; not knowing Kuro followed and is watching...