A pure student visiting her mentor's house is subjected to kissing, humiliation, and physical abuse; her sensual body is unreasonably gang-raped and penetrated. (Nagase Aoi HBAD-252)

Xiao Kui, who had just been accepted into university, visited her former professor to express her gratitude. The professor, still as energetic as ever, suddenly attacked and assaulted her. Afterwards, the professor used this to blackmail her into coming to his home. Under his "training," Xiao Kui gradually experienced physical pleasure…