Sugar Apple Fairy Tale, Vol. 1 (manga)

In a world where fairies are bought and sold to the highest bidder, humans aren-t exactly on friendly terms with the fae folk. But friendship is exactly what Anne Halford seeks with Challe, her new fairy bodyguard, though he-s not so keen on the idea. As his new master, Anne tasks him with escorting her through a particularly dangerous area, but with a reluctant bodyguard eager to escape a life of servitude, she-ll have to deal with a lot more than she bargained for-