The Cannon Fodder Substitute's Rebirth

After being killed by his adoptive parents, Jiang YunJin finally learned he wasn’t their biological child. His real parents were legendary business tycoons. His older brother was a reigning A-list movie star. His older sister was a key national scientific researcher. And he—was the long-lost true heir of the Gu family. Fearing a repeat of tragedy, Jiang YunJin decided to keep everyone at arm's length from now on. Little did he know: His parents: “Xiao Jin, you don’t have to come home if you don’t want to. Mom and Dad can just quit the company and stay here with you forever.” His brother: “Who bullied you at school? I’ll go beat them up!” His sister: “Want me to blacklist them in our research field?” His fiancé: “Bad grades? No problem. Come to my place—I’ll tutor you myself.” Jiang YunJin: “…”