>>34469635I've always shipped them, but in USUM main storyline they both have similar motivations to enter the wormhole this time around (a hero complex of sorts) and there's no Guzma being bummed out in Ultra Space bit.
In the post-game storyline see
>>34458304And as OP is alluding to
she reunites with Mohn but chooses not to remind him of his past because he seems happier in his new life.