Quick Answer
My One-Hit Kill Sister is streaming on Crunchyroll, Aniplus TV. 12 episodes (~5h total watch time). Availability may vary by region.
Where to Watch My One-Hit Kill Sister
My One-Hit Kill Sister is currently on Crunchyroll, Aniplus TV. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
Confirmed Streaming Platforms
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About My One-Hit Kill Sister
While saving a child from harm, otaku Asahi Ikusaba is transported to another world and believes he has reincarnated with cheat skills similar to those of the characters from his favorite games and novels. Unfortunately, reality strikes when an encounter with a powerful monster shows that he is still nothing more than an average person. In this moment of extreme danger, Asahi instinctively calls out to his overly doting sister, Maya, who appears out of nowhere, possessing the overpowered...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch My One-Hit Kill Sister legally?
Right now, My One-Hit Kill Sister is on Crunchyroll, Aniplus TV. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is My One-Hit Kill Sister on Netflix or Crunchyroll?
It's confirmed on Crunchyroll. Netflix availability depends on your region — some countries have it, others don't.
Is My One-Hit Kill Sister available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for My One-Hit Kill Sister.
Can I watch My One-Hit Kill Sister for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.