After Transmigration, I Became the Cold-Hearted God of Death's Treasured One

After Transmigration, I Became the Cold-Hearted God of Death's Treasured One Plot:

Su Xiao, a modern corporate slave, transmigrated while staying up late to finish a proposal—into a sickly illegitimate daughter of the Zhenbei Marquis Mansion, sent to “marry” Gu Yan, the “Cold-Hearted God of Death,” to ward off his bad luck. She expected torture, but Gu Yan—the legendary North Border War God who kills without blinking—dotes on her like a treasure: he had the entire Pear Garden turned into a heated pavilion because she coughs; he learned to make sweet soup himself because she found the food tasteless; even when enemies invaded, he shielded her in his armor. What Su Xiao doesn’t know is that Gu Yan met her in the modern world three years ago—the hot cocoa she gave him back then became his only light in the sea of corpses and blood…