A doppelganger is an entity that looks exactly like yourself.

If one sees their doppelganger, they will die.

Whoa! A doppelganger!!

Hm?

Wait a minute...

I don't have double eyelids like that, though. (Girl)

I also got a haircut.

Are you trying to out-cute me or something? (Girl)

Doppel eyelids...

... For a doppelganger!

WILL YOU SHUT UP ALREADY!!?