User blog comment:FrankieX98/The future members of the Issei's harem and peerage./@comment-36663391-20180910214520/@comment-2601:87:8300:20D0:CD5A:D6E7:DB47:45F1-20180910230934

I heard a rumor that the next volume Kyoto is a part of it, so maybe Kunou otherwise it would either Elmehilde or LA Fay. I  betting on Elmehilde but who knows it might be someone else entirely like for example Ingvild(too soon but who knows).