The Marquis's Poisonous Poisoness

As the legitimate daughter of the Yan family, Yan Xiyue lost her mother early and was bullied by her half-sister, who poisoned her, leaving dark spots on her face. Originally a beautiful and stunning chemistry PhD, Yan Xiyue is brave, strategic, independent, and fearless of the powerful. Reincarnated from her past life as a special forces soldier who was unmatched in medicine and poison, she arrives in ancient times as Yan Xiyue. By chance, she gets engaged to Ye Tianji. Together, they overcome countless obstacles and finally achieve a happy ending.