The young man Qing Xia went down the mountain to practice. As a blessing in disguise, he bound the system and picked up a genius junior brother for nothing. The system said that in order to train the younger brother to become the most powerful person in the world, he should act as a mentor and raise the younger brother to adulthood. If he fails, he will also explode and die...
Maybe it was doomed from the moment you got the system. Junior brother, your senior brother has been trapped in it all his life.