Kenji Taguchi concluded the manga adaptation of Konoe’s “My One-Hit Kill Sister” (Isekai One Turn Kill Nee-san) novels on July 28th. The manga’s twelfth and final compiled volume was released on Tuesday.

The narrative centers around Asahi Ikusaba, a high-school student who finds himself lost in an alternate realm.
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Armed only with his knowledge of video games and fantasy worlds, he lacks any “cheat abilities” and is notably weak. However, fate leads him to encounter his older sister, Maya, who possesses the most formidable cheat abilities and a rather intense brother complex.
Taguchi, renowned for “Ane Log,” launched this manga adaptation on Shogakukan’s Sunday Webry website and Sunday GX magazine in March 2020.
Konoe initially published the novels on the Shōsetsuka ni Narō (Let’s Be Novelists) website in December 2019, concluding the tale on June 17.
This captivating story served as the inspiration for a television anime adaptation that premiered on April 8. Crunchyroll provided streaming access to the anime as it aired in Japan.
Taguchi previously authored “Ane Log,” which made its debut in Shogakukan’s Weekly Shonen Sunday magazine in 2012, concluding in April 2016.
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The manga spanned 12 volumes, and it also spawned a drama CD and a fan disc featuring six Flash anime shorts, along with three OVA episodes bundled with the manga’s fifth, sixth, and seventh compiled volumes.
Source | Shogakukan