Teacher, can I come to my house? A graduating student stayed at my house for three days, then turned me into a sex toy and was penetrated… Mei Itsukaichi HMN-678

Mei is a high school teacher. All her high school graduates go directly to university. One day, Mei hears bad news. The students have joined a delinquent club and are repeatedly raping girls… Mei calls one of the students to her house to talk. The student denies it. This judgment is wrong—because they fear exposure and that continuing like this might lead to Mei getting rid of the delinquent club, they decide to have Mei sexually assaulted using masturbation toys as a group. Although Mei initially refuses, she is eventually captivated by the students' vile penises…