YSN-194: Mama, I Can’t Tell Dad Because It’s Absolutely Forbidden… (Oosawa Mika)

Dad, please don't tell Mom… it's absolutely forbidden. While Dad is away, I secretly indulge in self-pleasure in his room. One day, I'm caught by my older brother who lives next door. He takes advantage of me, and I end up being dominated by him with toys like a vibrator and electric stimulator. I lose control, act shamelessly, and get caught red-handed by Mom. I tried to hide it, but Mom saw everything silently from the doorway… Does Mom know about this?