After losing her husband, Mako Oda found herself emotionally drawn to her son's warmth. Having endured prolonged separation, both mentally and physically, she became deeply moved by her son's tender care. Sensing his mother's loneliness, he sought to comfort her, supporting her with his body. Mako felt genuine gratitude for his affection, her body instinctively responding as she sank into pleasure. However, her son, born of her own blood, possessed an insatiable sexual appetite that couldn't be satisfied with just one or two rounds. This relentless stamina gradually transformed their mother-son relationship into something entirely new.