In a fictional school, "Tender Tank" Rareko is constantly opening absurd yet strangely enthusiastic debates, this way creating a lively clas...

Unaired episode included with the DVD releases bundled with the re-release of the first three volumes of the manga.

Honda is a skeleton, but more importantly, he is a bookseller. And he'll tell you from firsthand experience that the job of a bookstore empl...

A boy, Tsuwabaki Daiya found a black fire in an ocean when he and his father were in a small boat. A big monster came out of the fire, and t...