Originally Posted by Golden-Silver
First off, there's no plot, and no sign up. That's exactly why no one is joining.
Also, this kind of thing can be easily accomplished by flicking the power switch to the on position while playing Diamond & Pearl or R/S/E or whatever. Point being, the whole fledging trainer thing still works in the games, but everyone who RPs is looking for storylines and situations that are far more original, new, and refreshing.
Read the guides, I think they would help.