I made some edits. Mainly, I moved a large section of the Psychomancy Magic into the Instrument section, leaving Noel with only two spells he can access without the Hibiki. I also removed the Duet Summoning ability. I put some hints into his Bio that mentions how he usually gets away with not working with the Academy directly, which involves deep undercover operations taking out renegades by using his skills and connections as an actor. The fact that he enjoys being an actor is a convenient plus. Basically, he still works for the Academy, he just also works as a actor as both something he wants to do and something that helps him do his job. Mutually beneficial. 

As for his history as a Porn Star, that's partly just a joke, but also it helps explain a bit more about his sense of confidence and his shamelessness. He's the type of guy who'd demean himself and take the brunt of all sorts of hate and insults and takes it in stride if it means no one else has to take it. He's the kind of guy who'd forgive a guy who stabs him in the gut (But will still kill him shortly after getting stabbed cause, well, impulses) and try to get people to see the good side of things. Of course, trying to be the only light in a world of darkness tends to strain the psyche, so helping people also helps him; if he can get other people to see the light and be good people without him, well that's a little less of a burden on him. Like life, being a porn star is harder than it looks, and sometimes more difficult than it needs to be due to powers completely out of your hands. But instead of trying to always be on top of things, sometimes you just need to look at your options, figure out which ones who might actually enjoy, and get bent and take it up the ass. It's actually rather pleasant when you stop trying to crush someone's fingers with your sphincter.