Monogatari Series: Season 2, Episode 8 - ProjectFreeTV

2 - 8: Tsukihi Phoenix - Part 1

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.