Sometime the first you came in contact with doesn't always goes the first, I still haven't ringed my shioi even though I played the game because of her
I thought every single fleet girls is his wi- no, that'll be ridiculously too much.
It seems inevitable, at least one girl is advocating for it, and Kitakami seemed to imply Ooi was also for it. Not to mention Kongou herself is training Nagatsuki to be his wife.