Newly appointed female female teacher bullying ~Shaming after school gangbang training~

Yui is a wife who happens to be teaching internship at the school where her husband, a teacher, works. Yui secretly takes the training, but... He is once held by Takagi, the vice principal whom Yui's mentor, whom he met, and is violated by his weaknesses, unable to resist anything. Yui is toyed with without any effort during class or after school. As the actions gradually escalate, Imaoka, a problem child in the class, finds out about their relationship...