Mihō married an older husband. Her husband had a grown stepchild, but the stepchild and Mihō, as his stepmother, had a good relationship. One day she witnessed him arguing on the phone. It seemed the other person was his girlfriend, who said she wanted to break up because he was too big and had excessive sexual desire. After that, his depression was severe, and Mihō became worried. Around that time, a rift formed between Mihō and her husband. Perhaps due to age, their nights together had become bland, and Mihō found less satisfaction. As she listened to his troubles, he made advances, and she couldn't refuse, leading to them having a relationship. Just as the girlfriend said, he was indeed well-endowed and highly sexed, always seeking her out. However, Mihō's mature body also had unmet desires, so she accepted him, and they fell into a pattern of repeatedly indulging in pleasure...
