Mademoiselle Anna, the director of the institution, is particularly vicious. With her, the pretty residents in uniform had better respect the rules. When Mademoiselle Anna discovers that Justine and Nadia have brought with them a young man to secretly indulge in the pleasures of anal sex and sample their first sexual encounter, the director immediately starts imagining the punishments she will inflict on them. The next day, the bare buttocks and panties in their mouths, Nadia and Justine spank each other in Mademoiselle Anna’s office. Utter humiliation, as their school inspector is present.