<Married woman x lingerie is too sexy!> Although she is sexless, Miho has a normal family and lives a peaceful life. She is just one of the ordinary married women around. One day, Miho notices that her laundry is missing and when she looks under the balcony, she witnesses the presence of an underwear thief. On another day, Miho happens to see the thief in the city and tries to break in after tracking down his residence, but she is caught and imprisoned in the thief's abnormal room. In a room covered in underwear that must have been stolen, she is forced to change into underwear that she doesn't know who it belongs to, and is repeatedly raped... While she feels a creepiness that is different from the usual fear, she also begins to feel joy that he sees her as a beautiful woman...