In order to study Pun, Yo decides to move into a nearby apartment to study Pun's lifestyle.

Yo and his friends figure out a way to test whether Pun is a vampire or not.

The pork blood soup shop hires a new employee, and another mysterious man suddenly shows up in front of Yo and Pun.

As Yo realizes Janja's identity, he realizes that one of his classmates has bite marks on her neck.