It’s the middle of winter in the northern region. A young man who came all the way from Tokyo, Haruki arrived and collapsed during a snowstorm. Haruki, by chance, ended up under the care in the house of three brothers (the straight-laced eldest son and his twin brothers who are high school students). However, rumors spread that he turned up to be the bride of Kentarou, the eldest among the three brothers, and the bride is completely acknowledged throughout town…!? 東京からやってきた青年・春希は猛吹雪の中、行き倒れていた…！ 春希は、ひょんなことから三兄弟（カタブツ長男＋双子高校生）の家でお世話になることに。 しかし、三兄弟の長男・賢太郎の嫁としてやってきたという噂が広がり町中に嫁認定されてしまい…!?