User blog comment:B214/Question & Answers 5/@comment-4547267-20151231052430/@comment-26821288-20151231064338

Well, with Issei's perverted nature, he's seeking world peace for you-know-what, but his perverted nature gets down and down with time, and Issei still is seeking world peace, and that probably means that it's just what he is deep down. I think it might be that, very well.