18-year-old former underground idol "Kokoro Amami" made her AV debut in her youth. In her hometown, she spent her school days gloomy because she was overweight. When she moved to Tokyo and became an idol, her attitude changed. To be honest, she is interested in exciting sex, but being seen naked is more embarrassing than ever. Still, she wants to change herself by being seen... so the girl decides to appear in an AV.