New gymnastics (real) etude.1!

His younger brother Fubuki, who was looking for his missing sister-in-law Miku Haoka, reunites with Miku at his sister's classmate Tomomi's house.According to Tomomi's story, Miku is the dark side of the dark Shinsai. He says he became obsessed with it. In order to save Miku, Fubuki decides to become a coach for the dark Shinsai. Fubuki approaches Koyuki Fujimiya, whom Tomomi has chosen as a target to strengthen her dark new body techniques. I didn't know what my fate would be after that... rnrn