Mayuki is an extremely beautiful teacher who cares about others, so she is loved by many people, and Yuki is one of them. This time, while preparing for the school festival, Yuki accidentally gets wet. Worried that the student would catch a cold, Mayuki took him home to wash up and change his clothes. Today is also the day that her boyfriend came to see her after three months of separation. But just because the subway stopped working, he gave up, leaving Mayuki feeling lonely and frustrated. Since the train is no longer available, Yuki will also spend the night here. Looking at the lonely teacher drinking, Yuki couldn't resist her beautiful body and decided to go beyond the limit! Although he did not agree at first, Yuki's big cock and abundant health quickly conquered Mayuki. She ignored her status as a teacher, ignored her heartless boyfriend and indulged in sexual pleasure with her student...
