slave color stage 6

Nao, who married an employee of Yabuta Kaihatsu, is asked by Yukiko, the wife of the eldest son of the Yabuta family, to appear in the company newsletter, and is interviewed with her younger sister Yuka. However, the whole thing turns out to be a trap, and he is abducted after the interview ends. The two are trained to stand on the stage of a secret club...