Yup. I suppose if it's Mitsuha then she knows how to please her own body best. Probably had some confidence there at the end.
Oh and thanks for double-checking my translations. The last page is still unfortunately deleted so it probably won't see the light of day anytime soon. I'm still grateful however.
Updated
GuuhWell, that was pretty funI-It wasn't supposed to be like this...They returned back to their bodies after a normal night's sleep.※ These are just how it seems to be.