Dragons of the Gremory House

Natsu Dragneel, Wendy Marvell, Gajeel Redfox, & Laxus Dreyar. The four great dragons of fairy tail, Find themselves in a dire situation, Acnologia, the black dragon of the apocalypse, has made an appearance after the battle with the dark guild,Grimoire Heart, and the only people who even stand a chance of defeating him are the dragon slayers. But Nothing will prepare them for what happens afterwards.