Sumire was invited by her son to go on a hot spring trip. I've never been married to my husband who hates hot springs, so I was so happy that I couldn't help it. The two arrived at a good-looking inn and immediately headed for the hot springs. Sumire in the refreshing sunshine was enjoying the open-air bath. A shadow peeking into that figure. My son was looking into the violet bath. That night, the son gives a massage to heal his mother. A son who seems to be torn apart by his hidden thoughts every time he touches his mother's body. A mother who sleeps quietly at midnight. The son had reached the limit of patience, and when he gently turned over his mother's futon, he began to groping his mother's body peeking through her yukata. A mother who feels uncomfortable with her body and opens her eyes. Surprised, she tells her son to stop, but Violet is forced to kiss. Sumire, who was told by her son that she had to put up with her as a woman, was so adorable that she couldn't help but offered her body to love her ...