Villain? All Protagonists Are My Sworn Brothers!

Yang Tian wakes up as the doomed villain in a novel—a spoiled rich kid destined for an early grave. But when the 'Become Stronger Through Brotherhood' system activates, everything changes. Why play the villain when you can befriend every protagonist? From the mountain-raised medical genius with a marriage contract, to the scorned live-in son-in-law hiding immense power, to the mysterious returnee wearing a dragon-head ring—Yang Tian makes them all his sworn brothers. Now, with one message in the group chat, an army of overpowered heroes answers his call. Who said villains can't rewrite their f…