^ maybe there's in-game content that also supports MaHikari and MaHiKaren and that's why people on pixiv are shipping them than HiKaren?
Or maybe it's just because all three of them share the same room...
Nah, Nozomi is definitely dominant, if she knows someone long enough she could get under their skin and push their buttons, even Camilla. It totally goes both ways with Camilla, though, as she can pull Nozomi's strings and top her with ruthless affection.