High School DxD
Ichiei Ishibumi is the Japanese author best known for his High School DxD light novel series.
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. Does he even stand a chance against Riser's harem team of devil girls...?! The romance/battle/fantasy story continues to heat up!