Isekai kara Kaettekita Yuusha Dearu Ore ga Kabukichou de Ou ni Naru Hanashi異世界から帰ってきた勇者であるオレが歌舞伎町で王になる話; The Hero Who Returned from Another World Became the King of Kabukichou

Yuji Kuze, the hero who once saved another world, returns to Japan only to find himself without a place to belongreduced to what society calls a loser. Just as he contemplates ending his life, he wanders into Kabukicho and encounters a peculiar concept caf. This caf is a special place where girls who are also otherworld returnees work. You should try becoming a hero in this city again, someone tells himpushing him to stand back up. Thus, Yuji vows to rise once more! A new adventure begins for the man who once saved an entire world.