Boku wa Imouto ni Koi wo Suru

Here's a film that knows exactly what it is, and what it's doing. A teenage boy lusts after his twin sister, resulting in angst. It all leads to a fraught confession and a mutual willingness to do anything. Well, that's certainly something.

Streaming availability changes weekly. Check the Where to watch panel above — we re-pull TMDB's JustWatch index every week. If nothing's listed, the film is between licence windows.

Our similarity graph picks 6 films based on shared director, keywords, mood-cluster overlap, and MovieLens user co-rating — niche-biased away from blockbusters. Full list: /like/i-m-in-love-with-my-little-sister-2005/.

Mayumi Nishimoto directed Boku wa Imouto ni Koi wo Suru in 2005. See Mayumi Nishimoto's full filmography, where to start with Mayumi Nishimoto, or where to go after you've seen everything by Mayumi Nishimoto.

Boku wa Imouto ni Koi wo Suru was released in 2005 (JA original-language production), with a runtime of 50 minutes.