A dashing thief, contracted by a rival magic school to steal a wizard's notes, ends up some kind of mustelid and has an identity crisis. Also there's some interspecies romance and sex in there.

Peter is a learned enthusiast of history and fantasy who likes to read old tomes from the medieval ages, as well as fiction books set in magical fantasy worlds. However, when Peter picks the wrong book to read one day, he is magically transported into a fantasy world in which he is now a beautiful red-headed woman, one who is being trained up as a princess to be married off and produce heroes. Peter must try to use all his knowledge to fight against his fate, but can he escape it?

Justice can be relative.