Natsu is an honor student who attends a school in Tokyo. She is a serious student with a strong sense of justice and is a member of the dance club. One day, while practicing alone on the rooftop, Natsu witnesses Suzuki, a delinquent student, smoking and warns him. Then, her teacher, Hito, appears and scolds Natsu, but it turns out that Hito is also a delinquent teacher... During the summer vacation, the honor student with short black hair is transformed into a super slutty woman by dirty men in a sweaty creampie gangbang that is sure to get her pregnant.