"Please let me know if you need anything...?" The housekeeper in "Heat" who left us brothers weak in the knees, sweating profusely and draining us of our semen—Shiina Yuna JUR-793

My father, though wealthy, was only interested in work and had little interest in his family, while my mother left home after having an affair. To take care of my brother and me, my father hired a housekeeper, Ms. Shiina… She performed her duties perfectly, but always had a blank expression, making it impossible to understand what she was thinking. We never knew how to get along with her, until one day, I witnessed her indulging in sex in my brother's room…!?