Ririko is frustrated with her husband's long business trip. At that time, her son brought her friend Kousuke. Ririko, who felt mischievous when he secretly peeped into her own body, seduced him. No matter how many times she fucks her, she continues to be fucked by Kousuke's unfaithful cock, full of youthfulness, and when she comes to her senses, it's morning. Since then, she comes every day and continues to be sought after by him.