How to Raise a Vicious Supporting Character Named Shou?

Next Chapter v There is such a vicious supporting character who is subject to—— He is obviously a Beta, but he lies everywhere and says he is an Omega; I obviously grew up in a fringe city with a harsh environment, but I have always claimed to be a native of City A; He is obviously an ugly duckling, but he is determined to become a white swan worthy of the protagonist. He is selfish, cunning, greedy and mean, and he is equally jealous of every Omega who appears next to the protagonist. In order to keep the protagonist Gong, he even teamed up with underground doctors to remove the glands affected by the protagonist and transfer them to the back of his neck. He was just such a supporting actor who looked like a clown. He was only ten years old at the moment. He looked sallow and thin, wearing clothes with countless patches sewn on. He looked at Song Sui tremblingly and pitifully. "Brother, I was wrong. You can hit me or scold me, but don't abandon me. Don't leave me alone." Song Sui: "..." Oh. He wears books. He assumed the role of half-brother in a supporting role. The two adults passed away a few years after remarrying, leaving them with two children to depend on each other. Song Sui counted the days and found that it would still be several years before the main character Gong Shou appeared, and the supporting character Shou had not turned dark yet. Never mind. Let's support ourselves first. Song Sui attacked Chen Ningshou beta attack*omega attack Intention: Even if life is a prison, the light in your heart cannot be extinguished