- Description: Any female with strong characteristics meant to evoke a being of non-Earth origin. Typically humanoid in shape and lacks features from any real or mythical creature (e.g. eye stalks, no irises, bulbous head, tentacular body parts).
- Notes: Not to be confused with monster girl. Skin color alone does not qualify. Informed attributes do NOT qualify (e.g. a character stating that they are from outer space).
- Gender: Males use alien.
- Japanese: エイリアンガール
- Slave Tags: Female