The boobs of fallen angels: A High School DxD review

Strip away all the nekkid scenes and the set up to them and High School DxD is very straight forward. Issei finds himself working for a devil.

High School DxD Born: Yomigaeranai Fushichou - Anime - AniDB

High School DxD Collection - Anime Review

DxD BorN – 05 – METANORN

Raynare, High School DxD Wiki

Jack's Media Stop: February 2015

Does anybody watch High School DxD? If so, why do the main girls like Issei so much? What do they see in that scrawny kid? - Quora

English Dub Review: High School DxD HERO “The Deciding Battle of the Strongest Youth, Begins!” - Bubbleblabber

High School DxD New, Anime Review

Rias Gremory, High School DxD Wiki