ルーインドオーガズム…焦らし焦らされ恥辱のおもらし射精に至るまでコントールされ管理される屈辱の快感…。2組の担任として今日もまた生徒達に教鞭を振るう才色兼備の美人女教師結衣は、ある日の放課後補修中に、言うことを聞かない男子生徒への指導の一環として、「ルーインド調教」を敢行する。驚き戸惑う生徒の肉棒を、しごいては止めてしごいては止めての寸止めプレイで、まるで嘲笑うかのようなルーインド絶頂へと誘い…。

Ruined orgasm… The humiliating pleasure of being controlled and managed, from being teased and teased until you ejaculate in a shameful, involuntary urination… Yui, a beautiful and talented female teacher who teaches her students as the homeroom teacher of class 2, decides to carry out "ruined training" as part of her guidance on a disobedient male student during after-school tutoring one day. She teases the surprised and bewildered student's penis, stroking it and stopping, stroking it and stopping, leading him to a ruined orgasm that seems to mock him…