Eiko
>YOU'RE NOT MY SISTER or however Nagasaki is Ja-JAPSTERDAM... or whatever.
Eiko Tachibana is a character mentioned in petje.af drawings who is canonically supposed to be Mymy's biological sister who has been trying for years to find her. Mymy absolutely hates her for some reason. Mymy dyed her hair orange because of Eiko searching for her.
Appearance
Eiko has orange skin, black hair, and brown eyes. She wears a blue t-shirt with white seams. She wears a flower in her hair.