The nation's most beautiful teenage idol, Riko Matsushita, debuts in AV the day after graduating from her idol activities. (MGOLD-028)

She idolized celebrities since childhood and was once a member of an idol group. She dedicated her youth to idol activities, but due to unfortunate events involving members and management, she lost her motivation. Therefore, she decided to challenge herself in the world of sex, a field she'd always been interested in, and decided to debut!