A secret competition that competes for the beauty and indecentness of women with techniques that go far beyond rhythmic gymnastics. It seems that it is called “dark rhythmic gymnastics” ….
Her younger brother Fubuki, who was looking for her missing sister-in-law, Miku Haoka, reunites with Miku at her sister’s classmate Tomomi’s house. According to Tomiku, Miku was trapped in the dark part of the dark rhythmic gymnastics. And Fubuki decides to become a coach of dark rhythmic gymnastics to rescue Miku. Fubuki approached Koyuki Fujimiya, who Tomomi chose as a target for strengthening the dark rhythmic gymnastics.
She didn’t even know her fate after that …
