Observe, Cafe!! I've finally completed my invisibility drug!!

...Not another outrageous thing again... Please don't abuse it for nefarious purposes, okay?

Oh my! It looks like even you can't see me, despite being able to see so many other things!♪

Geez... even your clothes are invisible. What kind of science are you working with here...

Huh? The drug is taken orally, so of course it won't turn clothes invisible, you know?