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Uni, who is known as the "sinister black cat" for being too clumsy, is finally fired from her 10th job. At that time, Harold, the first prince of the Great Lowell Empire, asks her to become his sister. Yuni takes on the role of younger sister, and as she spends time with Harold, she becomes strongly attracted to his kindness, but in reality, Harold is a ruthless prince who is famous in society...!?
From [MangaHelpers](https://www.mangaupdates.com/groups.html?id=1011): Odagiri Shindo and his daughter Moe run the toy shop "Daidalon," which often struggles just to break even. Shindo is an enthusiastic, if not very business-savvy, man, who likes to dress up as the hero "Shindo-man" for his store. Moe is a much harsher, less easygoing shopkeeper. While she's often exasperated by her father's antics, she sometimes ends up cooperating with him! [tethysdust]
The story follows the lives of three women with Hokkaido's delicious food, sightseeing spots and love with the co-worker.