Premiere Pe... - Nande Koko Ni Sensei Ga - 1 Vostfr-

Based on this fragment, you are likely referring to the first episode (Episode 1) of the anime and manga series Nande Koko ni Sensei ga!? (Why the Hell Are You Here, Teacher!?), specifically the version (Version Originale Sous-Titrée en Français – Original Version with French Subtitles).

: There are channels dedicated to providing VOSTFR episodes of anime. Searching for the specific title and episode you want can sometimes yield results. Nande Koko ni Sensei ga - 1 VOSTFR- Premiere pe...

: The series consists of 12 half-length episodes (roughly 12 minutes each) and one special OVA. Based on this fragment, you are likely referring

Dès sa diffusion, Nande Koko ni Sensei ga!? (Why the Hell are You Here, Teacher!?) a frappé fort. L’épisode 1 pose immédiatement les bases : Based on this fragment