Noroware Koushaku to Amaku Midara na Keiyaku Kon: Iyashi no Reijou wa Torokeru Kuchizuke de Ai o Sosogu

After dying, Karina awakens as a count’s daughter in the world of her favorite novel, arriving just before the main story begins. Armed with knowledge of the tragic events to come, she resolves to protect her family and save her beloved younger stepbrother, Marcel, from his destined death. To prevent him from being murdered by Klaus—the future duke fated to become the story’s villain—Karina proposes a daring solution: a contract marriage with Klaus himself. In exchange for becoming his wife, she offers to soothe the generational curse of "madness" that plagues his bloodline. However, calming this affliction demands physical contact with someone who possesses divine power, forcing the unmarried couple into intimate proximity. Though Klaus coldly warns her not to mistake their arrangement for genuine affection, his intense gaze and forceful advances leave her heart racing. Bound by duty yet drawn together by undeniable tension, Karina pours her devotion into sweet, melting kisses in this captivating otherworldly fantasy of healing, sacrifice, and unexpected love.