What and what? ! Because of an accident, four boys and girls traveled to a comic book world? ! This world is really dangerous, and the essential task every day is self-protection! A certain ghost has a bad taste in keeping babies, a certain middle-aged boy bites and kills... In order to return to the original world, go find four treasures, boys and girls! In fact, it is just the growth history of a pair of Onmyoji sisters and good friends, as well as everyone in Vongola.