You get the guitar from a merchant right? I saw a comment saying it was in the vent, but I can't find this "Freaky Guy" anywhere...
UPDATE: Turns out I don't even have the room that the guy is in. After I enter the vent and come across the 5 vents, there is no room to the left like one of the youtube videos I watched.
Also, there are a few bugs (honestly might just be my crappy computer though): I can't access the skins or a few of the sex scenes. Also there is no Arcade room like the one in the images for the game advertisement.