Shin, a boy whose hometown, family, and everything precious to him were taken away by monsters. The ones who saved Shin were the strongest and coolest party, the "Guardians of Dawn"! With the sole desire to be useful to them as soon as possible, Shin trained relentlessly. Just when he was finally entrusted with defeating weaker bosses. He would experience despair in the deepest part of the dungeon. **[Original Manga](https://booklive.jp/product/index/title_id/10015161/vol_no/001)** **[Web Novel (Completed)](https://www.mangaupdates.com/series/jbw2v85/teisou-gyakuten-sekai-de-yuiitsu-no-otoko-kishi-no-ore-onna-kishi-gakuen-ni-nyuugaku-shitara-nazeka-eiyou-atsukai-sareta-zetsurin-skill-de-harem-musou)**