[ROE-432] One day, I witnessed my parents' twisted master-servant relationship. Around midnight, my mother transformed into an aggressive slut and began controlling the ejaculation of both father and son... Yuka Mizuno (Censored)

My home is a little unusual. At first glance, it seems like a normal household, with a domineering father (Kouji) and a gentle and kind mother (Yuka). My father often yells at my mother in harsh tones. I often worry about her, but she seems to accept my father's behavior. But in my home, there's a forbidden room that I'm not even allowed to approach. Then, one day, just after midnight, I stopped studying for my exams and headed to the bathroom...