It seems you're asking about the 2012 French film Chronicles of a Sexual Family (original title: Chroniques sexuelles d'une famille d'aujourd'hui ), specifically regarding an "unc 2021" version—likely meaning an "uncut" or "unrated" release from 2021.
PG-13 for mature themes, some sensuality, and brief strong language. sexual chronicles of a french family 2012 unc 2021