Mini Mo, a Chinese ex-pat residing in Japan, becomes an over weight fatty when her boyfriend Kurokawa went abroad ten years ago. She meets a kitchen utensil salesman Fatso in the time of adversity. When Fatso learns the true story behind Mini's depression, he puts Mini on a grueling diet program and gives her encouragement every step of the way. Mini miraculously loses weight and reunites with Kurokawa. When she is in dilemma to choose between two guys, Fatso disappears suddenly...