Karen is acting clingy and very cute, completely out of character. But it's a trick to get Koyomi to introduce her to Kanbaru. Fearful of what Kanbaru sexual proclivities, he devises a test Karen must pass; a test involving her toothbrush.

Starring:

Kana Hanazawa, Takahiro Sakurai, Miyuki Sawashiro, Yui Horie, Takehito Koyasu, Saori Hayami, Eri Kitamura, Hiroshi Kamiya, Maaya Sakamoto, Marina Inoue, Chiwa Saito, 6 more, Yuka Iguchi, Satsuki Yukino, Shinichiro Miki, Emiri Katō, Ryoko Shiraishi, Kaori Mizuhashi

Genre:

Comedy, Supernatural, Anime