Ayumi's ordinary married life was only lacking in her intimate moments with her husband. Unable to find satisfaction in his lackluster performances, even when she initiated, she spent her days seeking solace in masturbation. One day, Ayumi stumbled upon her stepfather's SM paraphernalia while living with him. Despite her surprise, her deviant imagination was ignited, and her body began to ache with anticipation. Sensing this, her stepfather gently approached her, placing a hand on her shoulder and asking, "Things not going well with your son?"...