You're not my enemy

There are evil people in this world, and he was one of them. He made his evil personality in a job. He is a famous boxer and everyone was afraid of him. No one dared to take this job, to be his assistant. No one wanted to be near him, or he'd get a punch in the face, or an evil glare. His name was Daniel Howell. And one day he finally would get his assistant. But would Dan like his new assistant? Would he let this guy called Phil Lester in his world?

disclaimer: age regression sfw