The only reason we didn't get that in canon was Urobuchi's cowardice

[She snuggles into him, of course. How could she not? What lunatic would turn down this chance she'd thought she'd never get again?

A kiss on her cheek, a peck to his jawline, and she giggles at the sight of the little fox leaping at her... ambulatory icicle? She's not really sure. But the creature holds her ground and stares for a moment at the Vulpix, as if trying to decide what to do.

Then bumbles forward, deciding that this is clearly playtime. Iri laughs in delight as her Snorunt reaches out to pap the Vulpix on the nose.]

Well they seem to be getting along well! A good thing too, I can't imagine how we'd deal if they didn't...