[Animated Plot] Female Student Locked in Secret Room by Janitor and Forced to Creampie (Japanese with Chinese Subtitles)

This adult anime follows an innocent schoolgirl who catches the eye of the school janitor on her way to class. The janitor uses his position to lock her in an abandoned school chamber, subjecting her to prolonged non-consensual acts. The story centers on her journey from terrified resistance to gradual submission, filled with tense confined-space atmosphere and intense adult scenes, culminating in the janitor's multiple creampies, highlighting dark desires born of power imbalance.