What Should I Do If I Raise the Villain BOSS as the Protagonist?

Revision [Two male protagonists, 1v1 cookies, strong in their youth, both physically and mentally unique, maybe an upgrade (?)] Ye Li has three goals after traveling through an article about a male protagonist who cultivates immortality: 1: Hold the protagonist's thigh tightly. 2: Try to survive in this world of immortality where people often die, and protect yourself first. 3: Practice hard and find a way to go home. However, something went wrong as soon as the three goals were implemented. The cute junior brother he cultivated with all his heart was not the protagonist! Ye Li: Ah this Ye Li: But my junior brother is still very cute even if he is not the protagonist. Ye Li continued to raise his junior brother without taking it seriously, until one day he discovered that his junior brother was not only not the protagonist, but was even the original villain BOSS () Ye Li: Ah this! Ye Li: But my junior brother is very cute even if he is the villain BOSS! Who cares about it, since you decided to raise it from the beginning, of course you have to raise it for the rest of your life. Ye Li (suffer) x Ling Chaoyue (attack)