With his face buried in Inigo's shoulder, Ryo doesn't see the creature enter; he does, however, note something new in his Sense that hadn't been there a moment ago. It's when something squeaks that he lifts his head and looks around, gaze settling on the creature.

...he can't say he was expecting this when Inigo mentioned a friend, but it's not exactly a bad thing. Honestly, he's not exactly processing it right now. "Oh." He extends a hand to the little creature, palm up. "Hello, Jumblie."