High School DxD 4 - Ichiei Ishibumi

Little, Brown & Company - <p>Issei's on a rampage?! 'President Rias's virginity is gonna be mine!!'President Rias, the beautiful young devil, is betting her engagement on the outcome of a 'rating game,' and Issei's joining the fight. But does he even stand a chance against Riser's harem of devil girls...?!</p>