One day, Mayu, who works as a reporter for a town magazine, is directly assigned to be in charge of a special interview by the editor-in-chief. - The subject of the interview is Junichiro Douchi, a medical doctor and diet expert. - Mayu, who was entrusted with a big job for the first time, heads to Dr. Douchi's home in high spirits to interview Dr. Douchi about his proposed ``butt diet.''