Princess 69 Midnight Gymnastics Episode 1

Dark rhythmic gymnastics is a kind of secret competition where young creatures demonstrate their beauty and ease. The more complicated and the research of the technique, the stronger the athlete. Fubuki-kun younger brother of the main character Miku becomes a witness to the depraved training of his sister and is not excited. This is noticed by a classmate Miku-Tomomomi-chan and begins to use our hero as a sex doll, and then offers to become him "coach " in dark gymnastics.