Transmigrating into a Mob Character to Rehabilitate the Villain Plan

Transmigrating into a Mob Character to Rehabilitate the Villain Plan summary:

In short, this is the tragic tale of a saint-like man who transmigrated into a web novel as a mob character and wanted to rehabilitate the villain, only to realize in the end, he became more and more villainous.
The ludicrous story:
Unable to bear hurting the villain he helped raise, but when it came to compensating with his own body, the unfortunate, straight male reader figured he’d better escape&h.e.l.lip; &h.e.l.lip;
Many years later, the same unfortunate saint rubbed his neck, asking, “This a dog collar you put on me, isn’t it?”
The handsome villainous boss gave a glance with his elegant, almond-shaped eyes, replying with a devious, charming smile, “That’s to prevent you from running away again.”
“If I stay put, will you refrain from destroying the world?”