I don't know, but somehow, out of all the pairings that you can get from the main four girls, NijiKita has the weakest chemistry, in my opinion.
Yeah, despite them being the two most similar characters in terms of sociability and personality, the relationship between those two really doesnt have anything outside of the dynamics from the band itself, every other pairing seems more likely and "meaningful" in comparison, regardless of how healthy they would be
