Lately, mother Momoko has been feeling a bit lonely as her son, Tetsuya, enters his rebellious phase. She finds comfort in the warm, affectionate demeanor of her son's friend, Shinnosuke, who frequently visits. One day, she asks him to help her with her daily workout routine. As she notices his strong, muscular physique, Momoko gradually begins to feel drawn to him. When she lightly touches him on a whim, her life changes in an instant—there's no turning back. Once hooked on the pleasure he gives her, Shinnosuke starts seeking her out again and again. Each time, his powerful body and intense fucking deliver overwhelming sensations, causing Momoko to grow increasingly dependent on him. Shinnosuke's rugged, passionate nature continues to pull her deeper under his spell.