Des:I had no idea that the normally calm teacher was so arrogant. Last school trip before graduation. Yamada, a problem child who was not attending school, participated solely to make memories with his homeroom teacher, Mr. Usui. Stunning breasts that can be seen even through her clothes. A motherly smile that always treats me kindly. I want to turn my body into something. Yamada, who has been waiting for a long time, is alone with his girlfriend and Usui sensei, and in a fit of passion, he immediately hugs his girlfriend...