[Chinese]DASS-157 The slender-assed teacher with beautiful legs in stockings, ruined by the perverted old principal Water Valley Ritoa

English teacher Rina Asuza is secretly dating a colleague. One day, a new principal arrives at their school. Rina initially thinks that the seemingly kind principal will be easy to get along with, but in reality, the principal is an extremely abnormal pantyhose fetishist. The principal catches Rina getting intimate with her lover in an empty part of the school and takes photos to blackmail her. Yielding to the blackmail, Rina gradually goes mad from the unknown debauched pleasure brought by the principal's perverted pantyhose fetish sex...