Thirty years since dungeons and magical beasts appeared all over the world. Tatsuya Kamiya, a 42-year-old man whose entire history was erased by the government…

A rise-to-power, peerless tale of resisting the unreasonable! One day, Kagerou Okumura is suddenly summoned to another world along with his classmates.…

A world of modern Japan where dungeons have appeared. Shutaro Hanaoka, a middle-aged salaryman with an old-looking face (and a virgin), suddenly notices…