Though an exposed navel might help make her less lethargic, as it'll allow her to absorb a lot more stray magical energy right out of the air (including some of her own)
This is...Introduction!Let's begin...a magic wand!It's cuter without the "-sama" part.Yukarin♡...I am...And......Magical☆Yukarin!MagicalYukari-sama?Well, should I call you Yukarin-sama from now on?U-uhYes!Hmm?Aah, no Chen... That's not what you need to ask about...