[It also seems fine to Mio, apparently, because she doesn't intervene to take any of those items back off of him. She must be confident in his ability to multitask based on her content smile.]

Whatever the case, a little bit probably couldn't harm him, surely? He isn't super fragile? Still, since he's in your care, you should choose. I'm sure your heart will tell you what's best for him. [She can only imagine that Beelzebub would want to do his best for such a small creature dependent on him.]