# Where to watch Girlfriend's Sister (2018) in the UK

> Girlfriend's Sister (2018) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 12 May 2026 by ScreenSearch.

**Type:** Film  
**Year:** 2018  
**Runtime:** 70 minutes  
**TMDB rating:** 6.0/10  
**Genres:** Romance  
**Region:** United Kingdom (GB)  
**Last verified:** 12 May 2026 (2026-05-12T15:37:13.000Z)  

## Synopsis

Minsu at home alone after four hot nights of work. Hye-rim's wife comes to her house with her sister, Su-bin. Until late at night, the three people drink together, and Su-bin sleeps in the house. The next day, Su-bin loves Min-su, and when Hye-rim goes to work, she seduces Min-su and shares the affair. That evening, Minsu came home after work and Su-bin's boyfriend Hyun-soo came. At the drinking party, Su-bin's couple continues to talk sexually, and Min-su is just uncomfortable. However, his wife, Hye-rim, falls in love with a dirty story. In the end, their conversation develops even to swapping...

## Streaming options in the United Kingdom

No current UK streaming, rental, or purchase listings were found for Girlfriend's Sister in our daily-updated TMDB feed. The title may be on physical media only, awaiting UK release, or in a temporary licensing gap.

## Frequently asked questions

**Where can I watch Girlfriend's Sister in the UK?**

Girlfriend's Sister (2018) is not currently listed by any UK streaming, rental, or purchase service in our daily-updated TMDB feed. It may be on physical media, an aggregator, or pending a UK release. Check back later — availability changes frequently.

**Is Girlfriend's Sister on Netflix, Disney+ or Amazon Prime Video in the UK?**

Girlfriend's Sister is not currently included with any major UK subscription service. It may still be available to rent or buy.

**How accurate is this film'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/movie/689308/girlfriend-s-sister-2018
- Poster image: https://image.tmdb.org/t/p/w500/t0oBWtAQ5g0lZATO9f3F8XjAee6.jpg
- JSON variant: https://www.screensearch.co.uk/watch/movie/689308/girlfriend-s-sister-2018.json

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