The story is about a high school boy living with his strong sister in another world
Kodoani.com – The seventh volume compiled for the Isekai . manga One Turn Kill Nee-san: Ane Dо̄han no Isekai Seikatsu Hajimemashita by writer Konoe and artist Kenji Taguchi and artist Kenji Taguchi, based on a web novel by Konoe, announced on Friday that the series will get an anime adaptation.
Konoe launched the novel on the Shōsetsu ni Narō (Let’s Be Novelists) website in December 2019. Taguchi and Konoe launched the manga adaptation in Shogakukan’s Sunday Webry website and Sunday GX magazine in March 2020.
The story follows Asahi Ikusaba, a high school student who gets lost and ends up in another world. He has knowledge of video games and fantasy worlds, but he is weak and doesn’t have any “cheat abilities”. He found his sister Mayu in another world, and she has the strongest cheat ability and also has a complicated brother.