Ayumi married a man who was two rounds older, divorced, and had children. Although she was living a happy married life, there was one thing that worried her: her stepson Koudai. He was in his rebellious phase, dropped out of school, had no steady job, and was aimless. Thinking as a mother that she must be firm… A young and beautiful woman who was closer to the father's age than the mother's entered the previously female-free home, meddling and lecturing, causing Ayumi's irritation and sexual desire to explode…
