Fairy Girls Vol 2

From the Kodansha edition

BUSINESS AND PLEASURE Lucy, Erza, Wendy, and Juvia are finally getting the pampering they deserve! Mavis rewards the hard-working ladies of Fairy Tail with a deluxe resort vacation, but not everything is as it seems at this beachfront paradise. Soon after, a beautiful new wizard approaches Fairy Tail, where Wendy takes her under her wing. But a dangerous job lies in wait for the new duo…will the Fairy girls ever catch a break?! New stories starring the magical ladies of Fairy Tail!

Source: Anime News Network Encyclopedia