Anyone know where to find link 

En förälskelse

https://www.imdb.com/title/tt0268313/

cheating wife

Good movie, but only German language

Die Liebe meines Lebens

https://m.imdb.com/title/tt0295393/

https://www.3sat.de/film/fernsehfilm/die-liebe-meines-lebens-104.html

Anyone Got this movie 

Getting Hurt

https://m.imdb.com/title/tt0138466/

Fatale

https://m.imdb.com/title/tt8829830/

https://m.vk.com/video31899602_456240998

Russian languages in this movie

Phileine Says Sorry 

Cheating girlfriend

https://m.imdb.com/title/tt0314502/

https://m.vk.com/video-50779972_165193568

@cheater 

https://m.vk.com/videos-176526271?act=search&q=%D0%A5%D0%BE%D0%BB%D0%BB%D0%B0%D0%BD%D0%B4%D1%81%20%D0%A5%D0%BE%D1%83%D0%BF%20

Unfortunately no subtitles

Eine Liebe in Afrika

https://m.imdb.com/title/tt0342694/

Part 1 - https://m.youtube.com/watch?v=GsSy_i7_z44

Part 2 - https://m.youtube.com/watch?v=hQCipdN4ZBU

Do not have sex scene in this movie, only sentimental feelings. As for me is cheating. 

The Choice 2016

https://m.imdb.com/title/tt3797868/

https://m.vk.com/video-139883418_456246499

Weekend with Kate

https://m.imdb.com/title/tt0100909/

https://m.youtube.com/watch?v=INM20UagQGc

Hotel st pauli 1988

https://m.imdb.com/title/tt0091221/

https://tubepornclassic.com/videos/148496/hotel-st-pauli/

strange movie but there is cheating girfriend. Unfortunately no English subtitles