A perverted, brainwashed older sister, Ryusuke Tozuki, who manipulates virgin pets and satisfies their sexual desires through penis manipulation. (ROYD-224)

On my way home, I was invited to my home by my admired female boss (Toki). Although she was friendly and approachable, my consciousness became hazy… When I came to, my body felt numb, and I was chained with a collar!? Even more surprisingly, Toki was surrounded by men like me. “We’re all virgins like you!” she said with a familiar smile, unable to resist as her penis was being played with…!