This Student Is a Bit Strong

The moment the flames engulfed him, he remembered his brother's smile while being chained. Reborn in the body of a young man, the top killer hid his gun cocoon with only one thought in his eyes: to rescue Wuchen. 30 Trials, catching swords with bare hands, walking through mountains of swords and seas of fire—— His invincibility was never for killing. I'm afraid that if I look at that smile again, it will be shattered in the firelight.