Being afraid of the dark is such a childish fear. Forcing himself to grow out of it is for the best, really. So when he sees a certain post on Facebook, he can't help but be intrigued: 'As soon as you turn the lights off start masturbating. No monster wants to see that shit. While doing it, stare at the corner and whisper tenderly, “This is for you."' Now this just might be an idea worth trying.
Warnings for rape, manipulation and abuse of all kinds, as well as a general undertone of dubcon when it doesn't seem like outright noncon.