User blog comment:B214/Volume 23 discussion blog/@comment-26821288-20170205085556/@comment-9595671-20170208014223

Popularity power at it's finest, and maybe another way to look at it? Akeno played the "I have Boobs, you must obey" trope to the audience somehow. *snickers* She and Rias are the two biggest in breast size... atleast that we know of, by now I think a lot of characters have beaten them and we just don't know ^^;

You know speaking of which, if Vali had been a girl instead of a guy, where on the rankings does everything think she'd end up? I ask cause I once saw someone mention on a fanfic review that had Vali been a girl, she'd not only have gotten with Issei, but been pretty high up in the harem.