Her husband works at a women's lingerie manufacturer, and his wife, Nozomi Hazuki, lives with him and his father—the company president—in a household where she leads a slightly rebellious lifestyle, contrasting sharply with her plain husband. She frequently receives excessive physical affection from her father-in-law, who treats it all as harmless fun, though it leaves Hazuki embarrassed and flustered. Yet his skillful techniques gradually stir emotions within her, slowly eroding her resistance until both her body and mind melt completely under his touch.