[ It's a pen in a sense! And it seems Kurapika is going to use it like one. ]

Your eyelashes.

[ Don't worry about it. ]

As for why I disguised myself... you could say it was for a heist. You see, it's important to conceal the function and applications of your abilities for as long as possible in my world.

[ He tightlines the top of Mika's lashline, diligent and precise in his movements. Hmmmm... would a small wing look good on him? ]