Although she is sexless, Mifune lives a peaceful life with an ordinary family. One day, Mifune notices that her laundry is missing and looks down from the balcony to spot an underwear thief. On another day, Mifune happens to see the thief on the street, tracks him down to his residence, and attempts to break in but gets caught and imprisoned in the thief's bizarre room filled with stolen underwear. She is forced to change into someone else's underwear and repeatedly subjected to rape... While feeling a different kind of dread, she also begins to feel joy at being seen as a beautiful woman...