​In this episode of the hentai video based on a game by Panda House, a secretive competition known as dark rhythmic gymnastics takes center stage. The participants showcase not only their beauty, but also their provocative techniques, surpassing traditional rhythmic gymnastics. Haneoka Fubuki, the younger brother of the missing Haneoka Miku, stumbles upon his sister at the residence of Tomomi, Miku’s fellow classmate. Tomomi reveals that Miku is trapped in the dark side of dark rhythmic gymnastics. Determined to rescue her, Fubuki makes the decision to become a coach of dark rhythmic gymnastics. While doing so, he becomes intimately involved with Fujimiya Koyuki, who is oblivious to her own destiny after being chosen by Tomomi. Join this thrilling and enticing escapade as secrets and desires intertwine in the world of dark rhythmic gymnastics.​