Reiko has been divorced from her husband for half a year. During this time, because she was afraid of her son being sad, she never thought about finding another man to rely on. Her son has reached adulthood and is starting to learn adult things. She always had to suppress her sexual desire until she saw her son's big cock, the smell of semen that she hadn't smelled for a long time made her forget everything but only know how to satisfy her own desires...