>>4489368
I find Nautika grows to become very attached to Vertin over the course of the story, which is surprising to me because I don't see a lot of Vertin x Nautika fanart.
My theory is originally limited characters was designed to be shipped with player. Not player character (Vertin) but player. That's why they have Yamato Nadeshiko-esque design (long black hair, pale skin, and isn't very bright) and the first two limited's story doesn't involve Vertin at all.
But sometime when designing Anjo Nala, I feel like the staffs come to the logical conclusion that because Vertin is player's avatar (to a degree), that if limited character is supposed to be in love with the player, then that means they will be in love with Vertin (hence, Anjo Nala).
Either that or they realize the yuri shipper in this game outnumber the het shipper (including the staffs), so just make the limited attached to Vertin.