"You're going to be my wife from this day forward, aren't you?　Let's make it the best first night ever." The sergeant who loves too much also goes beyond sex...! Shomi and her father, who runs a small factory in town, live a modest but happy life together. One day, however, the factory goes bankrupt, and she is almost sold off to the debt collectors who come to the factory. At that moment, a mysterious man appears and offers to take over her debt. However, she suddenly finds herself married to him, as promised by her father in the past...? They have never met before, but for some reason they feel fulfilled.... A sweet obsessive love between an unhappy girl and a mysterious spadery man! 「君は今日から俺の妻になるんだろう？　最高の初夜にしよう。」 愛が過ぎる御曹司はセックスも度が超えてます…！ 町工場を営む父親と二人、ささやかながら幸せに暮らしていた笑美。 ところがある日、工場が経営破綻してしまい、押しかけた借金取りに売り飛ばされそうになってしまう。 その時、謎の男性が現れ、借金を肩代わりしてくれることに。 ところが、父親と彼が昔交わした約束で、突然彼と結婚することになってーー…!? 初めて会ったはずなのに、なぜか満たされた気持ちになって…。 不幸ガール×謎のスパダリ彼の甘い執着愛