Weird one here, Kai’sa is a man?

So, a few days ago I was playing as Neeko, and had a Kai’sa (prestige edition KDA skin) whom I utilised my passive to turn into. When I did, Neeko’s line was her asking if she smells as bad as she looks, later, she said something about male sho’ma being weird. Is this a bug, or is Kai’sa a trap?
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