Don't Toy with Me, Miss Nagatoro S01E02 - You Got Your Wish, Senpai! / 'Sup, Senpai?!
Nagatoro torments Senpai by threatening to suck his blood like a vampire and by making him play a nipple-finding game. Senpai escapes to a family restaurant, where he runs into Nagatoro and her friends and discovers something surprising.