"Can you come pick me up tomorrow in that underwear?" Kana was confused when she saw the high-end underwear sent by her husband who was working away from home. Then, in the afternoon after finishing her housework, Kana secretly tried it on in front of the mirror and for the first time in a long time, she remembered herself as a woman, not a wife. From then on, Kana lived her life wearing obscene underwear under her plain clothes, but was seen by her husband's friend... Since then, Kana has been plagued by feelings of shame and immorality, and her crotch unconsciously heats up...