APAK-115 My sister has a 'Master' and is an M slave at home, indulging in absolute submission filthy sex. I caught her doing it. Asahi Mirei.

Mirei, my older sister, is neat and clean even from my younger brother's point of view. Her older sister secretly brought back a man, so she wanted to see what kind of man she was, so she pretended that she wasn't there. I couldn't believe my ears. Surprisingly, the man was her sister's master! The sound of body and bodily fluids colliding and the obscene voice stimulate my crotch. And I peeked at my sister who became an M slave and was indulging in SEX with a middle-aged man. However, her peeping was found out and her sister stopped her.

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