ROYD-164 [Uncensored Leaked] My Stepsister is My Ejaculation Manager!? She Forces Me to Abstain from Masturbation, and Lets Me Squirt My Sperm, a Creampie Lifestyle - Hinata Hikage

I masturbate all the time, and now my parents have remarried and I have a new step-sister. She's cute, but she's also super scrupulous, so I can't look her in the eye... She even complains, "You're sloppy because you masturbate too much!" and unexpectedly orders me to stop masturbating! I can't stand this! So when I lamented, my step-sister said, "I'll help you graduate from masturbating!" and offered to stroke my dick to control my ejaculation...!?