I Am Really Not the Mastermind Behind the Scenes

Traveling through time and becoming Xiao Yan's long-dead eldest brother, he awakens the heroine's strategy system. System: [Capture the heroine and intercept her highlight moments to get god-level rewards! Xiao Xuan fell into deep thought as he looked at Xiao Xun'er who threw herself into his arms, Concubine Ya who promised her body, and the little medical fairy who would not marry anyone else. Until the eve of the three-year appointment, Xiao Yan blocked the door of the house with a mysterious ruler, his eyes filled with resentment: "Brother, you agreed to help me break off the engagement, but why did you turn your fiancée into your sister-in-law?"