S1, E2: Nagatoro torments Senpai by threatening to suck his blood like a vampire; Senpai escapes to a family restaurant, where he runs into Nagatoro and her friends.

S1, E2: Nagatoro torments Senpai by threatening to suck his blood like a vampire; Senpai escapes to a family restaurant, where he runs into Nagatoro and her friends.