# Where to watch ONIMAI: I'm Now Your Sister! (2023) in the UK

> ONIMAI: I'm Now Your Sister! (2023) is currently available to stream in the UK on Crunchyroll and Crunchyroll Amazon Channel. Last verified on 16 May 2026 by ScreenSearch.

**Type:** TV series  
**Year:** 2023  
**Runtime:** 24 minutes per episode  
**TMDB rating:** 7.3/10  
**Genres:** Animation, Comedy  
**Seasons:** 1  
**Region:** United Kingdom (GB)  
**Last verified:** 16 May 2026 (2026-05-16T00:03:48.359Z)  

## Synopsis

When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.

## Streaming options in the United Kingdom

### Stream (subscription)

- [Crunchyroll](https://www.crunchyroll.com/search?q=ONIMAI%3A%20I'm%20Now%20Your%20Sister!)
- [Crunchyroll Amazon Channel](https://www.amazon.co.uk/s?k=ONIMAI%3A%20I'm%20Now%20Your%20Sister!&i=instant-video)

## Frequently asked questions

**Where can I stream ONIMAI: I'm Now Your Sister! in the UK?**

ONIMAI: I'm Now Your Sister! (2023) is currently included in subscriptions to Crunchyroll and Crunchyroll Amazon Channel in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.

**Are all seasons of ONIMAI: I'm Now Your Sister! on the same service?**

Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.

**Is ONIMAI: I'm Now Your Sister! on Netflix, Disney+ or Amazon Prime Video in the UK?**

ONIMAI: I'm Now Your Sister! is currently included with: Crunchyroll and Crunchyroll Amazon Channel.

**How accurate is this TV series's availability data?**

Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.

## Sources

- Streaming availability: The Movie Database (TMDB), refreshed daily.
- Underlying licensing data: JustWatch.
- Canonical URL: https://www.screensearch.co.uk/watch/tv/198152/onimai-i-m-now-your-sister-2023
- Poster image: https://image.tmdb.org/t/p/w500/tpvVSr6ThPQFISYc9xRVR7MKjDF.jpg
- JSON variant: https://www.screensearch.co.uk/watch/tv/198152/onimai-i-m-now-your-sister-2023.json

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Generated by [ScreenSearch](https://www.screensearch.co.uk/) — a free UK-focused tool that answers "where can I watch this in the UK?" for any film or TV show. No accounts, no signup.