name of this movie? "Mentally retarded man lead a girl from his brother"

As indicated before the screencap is from L’ete en pente douce it is a frence erotic comedy

Source:
https://www.imdb.com/title/tt0094405/?ref_=nv_sr_srsg_0_tt_2_nm_0_in_0_q_L%E2%80%99ete%20en%20pente%20douce
https://adultload.ws/2022/07/lete-en-pente-douce-1987/





13 min watchable scene from the movie:
https://www.erogarga.com/lete-en-pente-douce-1987/

As indicated before the screencap is from L’ete en pente douce it is a frence erotic comedy

Source:
https://www.imdb.com/title/tt0094405/?ref_=nv_sr_srsg_0_tt_2_nm_0_in_0_q_L%E2%80%99ete%20en%20pente%20douce
https://adultload.ws/2022/07/lete-en-pente-douce-1987/





13 min watchable scene from the movie:
https://www.erogarga.com/lete-en-pente-douce-1987/

I managed to solve it the film is L'ÉTÉ EN PENTE DOUCE (1987)

https://vk.com/video422198122_456269268