My One-Hit Kill Sister anime revealed a new preview earlier at Crunchyroll Expo 2022. The anime will air on Crunchyroll sometime in the future, but no specific date has been given. The anime was announced earlier this year alongside the manga’s 7th volume.
My One-Hit Kill Sister (Isekai One Turn Kill Nee-san) is a manga written by Kanoe and illustrated by Kenji Taguchi. Staff details for the anime have yet to be revealed. The manga began serialization in Shogakukan’s Sunday Web Every in 2020 and the full title is Isekai One Turn Kill Nee-san: Ane Douhan no Isekai Seikatsu Hajimemashita.
Sunday Network Everyonedescribes the manga’s plot as:
Asahi Ikusaba, a high school student who wandered into another world, tries to enjoy his new world with his knowledge of games and various isekai trivia. However, his abilities are too meager and he struggles. He has no special abilities, but what appeared before him one day was his sister Mayo Ikusaba. Mayo has been given the strongest trick ability in the other world and is also a super charming person. Armed with the blessings of his overprotective older sister, Asayo continues his life in another world…
© Kanoe, Kenji Taguchi/Shogakukan