After returning from a graveyard, Miyu disappears from a cab just on a whim to scare the driver. But a rumor has spread that the driver was attacked and killed by an assailant who sucked his blood. Miyu begins to investigate, but is soon confronted by an unexpected enemy.

A young man looking for his missing cat comes across a mysterious and beautiful woman who lives in a western-style mansion. Meanwhile, the girls take in a kitten and ask him to take care of it, as they are not capable. The young man, in turn, decides to ask the woman.

Mayumi is a gas station attendant who lives with Yaguchi. She turns out to be a Shinma that Miyu knows. When Mayumi accidentally kills Yaguchi's wife, she and Yaguchi flee with Miyu and Reiha on their tail.