I saw this earlier on DeathChaos25's tumblr and thought that it's pretty cool.
http://deathchaos-25.tumblr.com/post/143396914169/how-to-get-twin-kanas-from-paralogue-2
All credit goes to the tumblr's op. All I did was share :p
The thing is, I'm not sure if it counts as hacking and will be shadowbanned if you put them up on My Castle Defense, and from what I've heard male Kana will still think of your Avatar as their "mama" while female Kana regards your Avatar as "papa" regardless of their gender.