After Taking My Elder Sister's Place on Her Wedding Night, I Was Spoiled by the Marquis's Eldest Son

It’s a sweet romance! There’s only a little angst, so don’t let the tags scare you, lovelies! [Dark, obsessive, sickly eldest son x scheming, charming, pitiful concubine-born daughter] [Chasing his wife to the crematorium] [Obsessive male lead] [Sweet with angst] [Pregnancy and running away] Everyone said that Yun Xiang, the eldest daughter of the Yun family, was blessed to marry Ji Yu, the most sought-after eldest son of a marquis’s family in the capital. Only Yun Xi knew that the one who shared the eldest son’s bed every night was actually her, a concubine-born daughter. “Yun Xi, where do you think you can run?” In a shadowy corner, he pinned Yun Xi against the wall, their fingers interlocked. His damp breath crept into her ear. “I’ve finally found you, Xixi.”