Ryunosuke gives a little start, his ears flicking in the direction of the noise before his eyes follow, leading him immediately to the sight of the quivering mouse below.

"Oh!" He looks surprised, but. Not alarmed or repulsed or anything like that. If anything he looks relieved. And oddly enough, he'd started feeling something of an odd kinship for mice, ever since Iris had crafted one of her little felted animal mascots in the shape of one and gifted it to him. Mice are just shy little fellows going up against a big scary world, aren't they? He can kind of relate to that.

Also in this particular instance he's just. Glad it's not another Aion.

"Goodness you gave me a start," he huffs. "I thought you might be one of the Kenoma..."