Strategy for Concubines: Fighting at Home Is Not as Good as Raising Buns

Once reborn, Mu Changan saw clearly the joys and sorrows of his previous life. My sister-in-law who loves me so much is just a hidden viper... The man I thought I would be with forever turned out to be a tiger and leopard wearing skin! In his new life, Mu Changan exposes his sister's hypocritical face and tears apart the scumbag's vicious heart. Let them repay the consequences of their previous lives in this life! However, why did the fifth prince, who had never met in the previous life, become her husband?