Foreign movie where daughter wants to be killed by bolt gun in the end.

Foreign movie where daughter wants to be killed in the end..

Slow burn - foreign

Starts with the father scrubbing the daughters blood off the wall with a bucket. Family of three - mom, dad, daughter - I think the Dad is a butcher. The mom is weird and depressed and doesn't let the daughter socialize much. Daughter is abused in weird ways by parents. (Naked board game in the dark, mom wants massage) Daughter develops a fetish with a captive bolt gun. On her 18th birthday, daughter wants to be killed with bolt gun and eaten. Parents kill her and mother cooks her and takes a bite. WHAT THE HELL IS THE NAME OF THIS MOVIE??? I'VE BEEN SEARCHING THE INTERNET FOR DAYS!