This is Rhiannon. Rhiannon is confused. Rhiannon is A's star crossed lover, and although they both know they can not be together, Rhiannon is sad by A's choice to leave, before their relationship became something it could never be.
This is A. Today, A wakes up as a boy named Moses Cheng, but A is having a hard time keeping his emotions and Moses's emotions seperate. He can't stop thinking about Rhiannon, who is emotionally with him everywhere.
This is X. Although X has the same condition as A, X stays in the persons body for more than a day, and X uses his condition to do things like empty bank accounts, break up with girlfriends, and there are times when he will let the body die.