Ryosuke, Minami, and Shoko, who grew up as childhood friends, are a good friend of three who live together even after graduating from high school. One day, Minami, who was originally Obasan's face, went to study abroad when Ryosuke confessed to Shoko. However, Minami, who suddenly disappeared, returned to the front of them two years later. However, the appearance of Minami who reunited was a beautiful gal like another person by plastic surgery. Furthermore, the south that came back is actually a ghost ....