Mai Hanano works as a housekeeper for the Kimura family, skillfully and meticulously handling daily chores like cleaning and laundry. However, she lacks confidence in cooking and struggles in the kitchen. Still, she puts her heart into preparing meals every day for the father-and-son household, earning their gratitude with her sincere efforts. One day, the family's husband falls ill with food poisoning after eating a meal she prepared and is hospitalized. This incident drastically changes the atmosphere in the home. Hikaru, the son who never got along with her, harshly blames Mai and forcibly takes advantage of her body. Afterward, her panties are taken away and she is sternly ordered to work from now on without wearing any underwear. This situation becomes a turning point that drastically alters her daily life.