Ootsuki Haruto, a second-year high school student, starts working part-time as a housekeeper during his summer break. To his astonishment, the client who requested the housekeeping service turns out to be Toujou Ayaka, the cutest and most beautiful girl at Haruto’s school. Despite being caught off guard by this unexpected turn of events, Haruto utilizes the housekeeping skills passed down from his grandmother and successfully completes his tasks. Impressed by his work ethic, Ayaka’s parents become fond of him, and even her younger brother grows attached to him. As time goes by, Ayaka herself starts to be drawn to Haruto’s personality…