Akari Ueno is a high school girl who moves into an old Western-style building, only to discover that her new home comes with an unusual resident. She meets Non-chan, a curse doll who immediately declares her desire to stay with Akari for the rest of her life. Despite being puzzled by the bizarre situation, Akari accepts the offer, setting the stage for an unusual friendship between a teenage girl and a supernatural doll. The story follows their daily life together as a girl meet girl comedy, exploring the growing bond between the hesitant Akari and the strangely devoted Non-chan. The manga focuses on the humor and warmth that emerges from their cohabitation, with the curse doll's relentless affection clashing against Akari's ordinary high school life. Notable narrative arcs include the initial meeting in the Western-style building, Akari's decision to accept Non-chan's proposal, and the gradual development of their unique friendship.