Douluo Tang San Is My Younger Brother

Tang Yuan traveled to Douluo Continent after his accidental death. He was the first child of Tang Hao and A Yin, also named Tang Yuan. Tang San was his younger brother. He was also bound to an auxiliary system. The system actually asked him to change the tragic and erroneous plot, ensure the halo of the protagonist, and help the protagonist Tang San, together with the protagonist, embark on the road to becoming a god! ? Impossible! He wants to follow his younger brother's path and leave his younger brother with nowhere to go! Tang San: "Brother, please help me!" Tang Yuan: "Okay, okay!" Who made the protagonist Tang San his younger brother?