Miyazawa-san is not satisfied with her husband's bland sex. All of her past partners were the same type, and she has never experienced orgasm. She happened to see an adult video on her smartphone, and was inspired to access an adultery site to experience a pleasure she had never experienced before. When the man began to caress her in a hotel room, her expression became ecstatic, and she reacted with a flutter at the slightest touch to her nipples and vagina, becoming engulfed in a whirlpool of pleasure she had never experienced before.