Ah, summer. The season to bask in the beauty of swimsuits at the pool orthe beach.
At least, that's what Issei's hoping for when he tagsalong with Rias on her trip home
to the underworld. However, what awaits himisn't half-naked babes, but a hellish
training regimen concocted byAzazel, the fallen angel teacher!
A VACATION IN THE UNDERWORLD!School's out for the summer, and Issei's already dreaming up fantasies of hitting on hotties at the beach. His master, Rias Gremory, has other plans for him and the rest of the Occult Research Club, however-a season-long training stint in Hell. As if that wasn't disappointing enough, Issei's instructor is a terrifying dragon that tried to kill him! It may sound like a brutal lesson plan, but he'll need it because a few of Vali's allies decide to crash an underworld party and stir up trouble. What's more, one of them bears a striking resemblance to Koneko...
