Maybe it's Kaguya dressed up as Tewi? That's the only thing I can think of...
Nah, it's just one of the "generic bunnies" aka inaba. Also, Kaguya has black hair and a hime-cut.
We'll go with the other plan...Yeep!What seems to be the problem?Oh, it's fine even if you don't have any.Or it will be too late!Huh? But it's my tooth. Why do I...Mmnnh...This way, please.LungeMove your hands.Just take them off!Plan?Alright. First take off your clothes.My tooth's been really hurting, Doctor...