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Yotsuba Koiwai, a curious and energetic green-haired girl, moves to a new town with her adoptive father, "Daddy." With her boundless enthusiasm and childlike wonder, Yotsuba explores her surroundings, turning everyday moments into grand adventures. From chasing cicadas to drawing on walls, her innocent mischief and unique perspective bring joy and chaos to her neighbors—Jumbo, a towering florist; Asagi, a playful prankster; and Ena, a kind-hearted girl.
