Honestly it's not something I think about deeply because I don't have another character I've wanted to ship with Halsin and Clover. Their love is special and that's pretty much the extent that I've contemplated it.

You can get meta with it pretty fast because the game lets you play him both ways and they nudge both options at you. He has some contradictory lines ("you're all I want" and in the next breath he talks about his sharing nature) and I have no one else, so in their world it's just them.