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

While their family members, blood related or otherwise, were having a discussion downstairs, Fang had carried off Ren to their study (since the babies were still sleeping in their bedroom) and was pulling off Ren's pyjama top.

Ren was quite amused by Fang's actions. "There really is no need to panic," he said with a slight smile.

Fang glared at him. "If you don't want me to panic, then you have to be as tough as a wall," he murmured. "No, as tough as steel!"

"Wouldn't your nose hurt every time you bumped against me, then?" Ren asked with a laugh.

Fang glared at him, and finally succeeded in removing Ren's top. He sucked in a sharp breath when he saw finger shaped bruises on Ren's pale shoulders – stark in contrast to his light skin.

Tears pooled in Fang's eyes again. "I – I did this…?" he whispered. "I hurt you…"

"It's all right, I didn't even notice, and it doesn't hurt," Ren lied in a rush – he really hated to see Fang cry like this.

169 – A Win Win Situation