Ibara Koushaku no Hanayome Kake wo Shimashou, Danna-sama

When her father falls in a bitter political struggle, Countess Giselle is left entirely without protection. Stripped of her family's influence and facing the very real threat of losing her home, she finds herself standing at the edge of ruin with no allies left to turn to. Salvation arrives from an unexpected quarter: Duke Bertram, a nobleman widely feared for his ruthless nature and deep disdain for others. Despite his dark reputation, he steps forward to offer Giselle refuge. The reason behind his intervention lies in a wager struck between him and her late father—a gamble whose stakes ultimately bind Giselle to the Duke as his bride. Thrust into a marriage she never anticipated, Giselle must navigate life alongside a husband known only through whispers of cruelty. Yet beneath the intimidating facade of their arrangement, an unlikely romance begins to bloom across the years that separate them. What starts as the consequence of a high-stakes bet slowly transforms into a tender love story, challenging everything Giselle believed about the fearsome duke who claimed her as his own.