User blog comment:B214/Question and Answers 2/@comment-82.178.74.172-20140123213346/@comment-24438220-20140125013911

Haha. That'd be a cool plot twist. Plus there haven't been any enemies who fell in love with Issei (unless you count Ravel). Most harem LNs, manga and anime have a bad girl or two or ten fall for the MC. Having the magician with Incinerate Anthem fall for Kiba would be a fun spin on that.