Ria Yuzuki is a student at a certain famous girls' university. Born in Tokyo, she was raised in a strict household where her parents were civil servants, and is a true sheltered girl who has had no hardships. However, for the past 21 years, she has been hiding her "sexual curiosity"... And today, she is going to "release" it all. Her neat appearance, plump breasts and round peach buttocks have bee...