The BEST seasons of My One-Hit Kill Sister

Every season of My One-Hit Kill Sister ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of My One-Hit Kill Sister!

The story follows Asahi Ikusaba, a high-school student who got lost and ended up in another world. He has knowledge of video games and fantasy worlds, but he is weak and does not have any "cheat abilities." He finds his older sister Mayu in the other world, and she has the strongest cheat ability and also has a brother complex.