Jaywalker_Holmes

Ren, a modern doctor and a secret master magician, suddenly finds himself inside a random book he picked up at the airport...as the villainous older brother of the protagonist. As the bad guy, he's supposed to make life difficult for the Male Lead until the latter grows up and kills him in revenge. However, looking at the broken teenager in front of him, Ren can't help but feel his heart soften. 
Fang was an orphan who had never known what a family is. Abandoned at birth, all he knew was pain and fear. He loved nothing, and wanted nothing...until he saw the angelic Wade. To save Wade, Fang didn't hesitate to sacrifice himself. ..after all, there was no one to cry over him.
But then, Ren appeared and turned his world upside down.

The Villain Saves the Male Lead

The moon hung low in the inky sky, casting an ethereal glow over the sprawling Valley Kingdom. Fang, a young man with raven-black hair and piercing purple eyes, stood alone in the quiet courtyard. He clutched a mysterious piece of cloth in his hand, its dark energy pulsating with an unsettling intensity. Little did Fang know that the innocuous-looking artifact harboured a malevolent force – dark magic.

As Fang examined the cloth, a strange compulsion took hold of him. Without understanding why, he pressed the material against his chest. In an instant, the dark magic surged through him, intertwining with his own innate power. Fang's eyes glowed an ominous shade, signaling the awakening of newfound strength.

250 - Shadows Unleashed