That brief glimpse into Opal's mouth was quite delightful, with how close you felt to her from the view alone, so you were eager to see how more of her insides felt! You flew back over to her head, turning off the flight spell and landing atop her squishy tongue. It barely twitched beneath your feet, and you could already hear quiet mutterings from Opal in her sleep, no doubt liking your taste. Saliva dripped down from her teeth and the roof of her mouth, and you were careful not to slip from how much coated the taste-bud ground.
Your gaze turned to the back of her mouth, at the one thing dangling at the back of it—Opal's uvula. It almost seemed to glow enticingly, and with a running, thaumically-enhanced leap you managed to grab onto it! You immediately began kneading and massaging the little extrusion, getting some louder murrs from your elephant lover in response. Perhaps the uvula is something of an erogenous zone for the giant animals here? Or, more likely, their insides are just that much more sensitive... Anyway, from up here, you had a nice view of her throat down below, the ways into her stomach and lungs both stretching beneath you. All it would take is a bit of swinging to make sure you went down the right path...