High School DxD, Vol. 11 (light Novel)

TWO TESTS?! OH, AND THE INFINITE DRAGON. The time has finally come. All of Issei"™s effort punching gods and heroes has paid off. He"™s been recommended for a promotion to middle-class demon! Unfortunately, he must take a test to seal the deal, and it bangs up right against his midterms! Now the poor pervert is studying twice as hard. As if that wasn"™t bad enough, Ophis, the Infinite Dragon and leader of the Khaos Brigade, shows upon Issei"™s doorstep and asks to stay with him for a few days! It doesn"™t seem like the trouble will let up soon. Hopefully, Issei can make it out in one piece"¦