Reborn with a Jinx's Tongue, I Wished for My Illegitimate Half-Brother to Get Hit by a Car from the Start

I was reborn, and bound to a jinx System that made everything I said come true. At that moment, my dad was bringing a boy home and announcing that he was his illegitimate son from an affair. He told my mom to treat the boy well from then on, saying he’d suffered enough growing up. My mom was shaking with rage, but couldn’t get a word out. I looked at the boy, my older brother by two years. He was taunting me with a face. I couldn’t be bothered to argue, so I sincerely wished him well: “I hope you get hit by a car as soon as you leave the house, then get misdiagnosed at the hospital. May an intern perform your surgery, and may the stitches be expired.” The next second, that