Synopsis: Fenrir-nee-san to Boku

Yousuke Haijima, tired of the monotony of existence, nonchalantly expresses a desire for the annihilation of the world, despite his aversion to fighting and social interaction. But when a fearsome creature emerges out of nowhere and fatally attacks his lovely senior, Touka Kitami, right in front of him, Haijima realizes that he must confront the menace. Yet, he soon discovers that there is more to Kitami than he initially assumed.