User blog comment:FrankieX98/The future members of the Issei's harem and peerage./@comment-36663391-20180910214520/@comment-2208155-20180914181544

I read that information about Kunou previously..

But maybe this only gaves her one blue aura similar to fox blue fire.. I should read Koneko&Kuroka volume again, seems that she used this in that volume..

About Ophis, this character should have a dragon form, is considered a dragon..