Rin, a newlywed, had just started driving school when she met an instructor who was even younger than her husband. She is captivated by the gentle and reliable teacher, and can't contain her excitement when they are alone in the car during lessons. One day, Rin confesses her love for the teacher in the empty practice room, and after pushing the boundaries, she spreads her pussy in the cramped car, and the next day, and the third, she defies the married woman and meets the teacher's big cock.