Her adoring older brother is now a teacher, even though he only saw Kirika as a student... He is a childhood friend's older brother who gets instantly excited when he sees her pussy, even though he calls her a brat. I can't hide my happiness and excitement at the ejaculation from the foot stomping! Wanting to confirm his feelings, Kirika's behavior becomes more and more extreme! Unable to endure the intense torture, he finally breaks the boundary between teacher and student and enters her raw without a rubber...! A forbidden love story that crosses the barrier between teacher and student!