# Isekai One Turn Kill Nee-san: Ane Douhan no Isekai Seikatsu Hajimemashita
*Also known as: My One-Hit Kill Sister / 異世界ワンターンキル姉さん ～姉同伴の異世界生活はじめました～*

## Facts
- Format: TV
- Status: concluded
- Year: 2023
- Season: SPRING

## Renewal Score
**Isekai One Turn Kill Nee-san: Ane Douhan no Isekai Seikatsu Hajimemashita** has a **50% renewal probability** on Courcast (confidence: 74%) as of 2026-06-03.

## Synopsis
Asahi loves the idea of magical fantasy worlds. And somehow, he’s transported to one! He’s eager to explore and use his new abilities, except he learns he doesn’t have any. But his older sister Maya is in this world too, and she ends up having the strongest cheat skills imaginable! Now, Asahi starts his new life with a doting sister who can kill any beast with one hit.
(Source: Crunchyroll)
Note: Each episode streamed 24 hours early on ABEMA.

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/isekai-one-turn-kill-nee-san-ane-douhan-no-isekai-seikatsu-hajimemashita-spring-2023
- API: https://courcast.com/api/public/titles/isekai-one-turn-kill-nee-san-ane-douhan-no-isekai-seikatsu-hajimemashita-spring-2023
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*