Rina was trained by her father and raised to sell her body to men. She doesn't go to school, and one day, lost and lost in the rain, she meets a middle-aged man who lives alone. Like an abandoned kitten, Rina is touched by the man's kindness and develops an liking for him. Though excited by her young body, the man firmly refuses to have a physical relationship. Nevertheless, the two gradually grow closer as they live together... Rina feels comforted by his intense embrace, as if overwriting the memory of her father's rough embrace.