User blog comment:FrankieX98/The future members of the Issei's harem and peerage./@comment-2601:584:C400:82A0:C861:CFB9:7C8:845C-20181206200804/@comment-37165251-20181208105840

Yes Akeno can without a doubt reach one more pair of wings. That would make her five Pairs ^^

four fallen angel Wings and one Pair Devil wings....if she can show them at the same Time ...