異世界から帰還したら地球もかなりファンタジーでした。あと、負けヒロインどもこっち見んな。

異世界から帰還したら地球もかなりファンタジーでした。あと、負けヒロインどもこっち見んな。, Returned from Another World, Earth Turned Out to Be Quite the Fantasy Too. Also, Losing Heroines, Stop Looking This Way, Isekai Kara Kikan Shitara Chikyuu Mo Kanari Fantasy Deshita. Ato, Make Heroine Domo Kocchi Minna.

Six years ago, Yura Natsuki was summoned to another world as a hero. After a long struggle, he finally defeated the Demon King and managed to return to his original world. However, Earth itself turns out to be just as fantastical—filled with psychics, aliens, angels, and even gods!? Thus begins a modern-day super fantasy adventure!!