I Became the Cannon-Fodder Little Sister-in-Law in a Period Novel

Li Ying, a lark who had become a spirit, transmigrated into a period novel as the cannon-fodder sister-in-law: the one whose reputation was ruined by her sister-in-law's schemes, who eventually married an abusive man, and met a tragic end. After transmigrating into the book, Li Ying outwits her scheming sister-in-law, but she has another goal: to fulfill the original owner's dream of joining the arts troupe as a singer and becoming a nationally renowned vocalist! A: I heard a beautiful young woman with an amazing voice just joined the arts troupe. Pei Yi: Oh, you mean that unreasonable Li Ying? You must have terrible taste if you like her! Li Ying heard him and gave a cold laugh! Pei Yi, later: Honey, I was wrong... Mmm, she's really wonderful! P.S. A blunt, tough soldier who says one thing but means another VS the arts troupe's lovely songbird The male lead has to win his wife back, and there's a second male lead along the way. Theme: Success is the greatest revenge against your enemies.