Comprehensive Comics: There Is Definitely Something Wrong with My World

After traveling through time and being Kousaka Kyosuke, he had a younger sister named Kousaka Kirino. He thought he would be able to live a peaceful daily life from now on. But on the first day of time travel, a box of cursed video tapes was found on the body of her beautiful sister with excellent grades. Moreover, the school suddenly has a mysterious research department. Even if the director is a demon named Rias, why is there a dragon named Kangna running out on the roadside? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.