She has the appearance of a vacuum, as she was created from a vacuum that resembled an elephant.
Osouji extracted a Pure Heart from Motoki Furuhata's sister Unazuki, but lost it while being attacked by Sailor Uranus and Sailor Neptune. She found it in the junkyard and fought Sailor Uranus and Sailor Neptune, and Sailor Moon. She was winning until Tuxedo Mask hit her in the head with his rose attack, and Sailor Moon destroyed her with Moon Spiral Heart Attack.
Her tail looks like a plug, and she can turn her arms into vacuums to create a suction to attack her enemies. She can also throw bags of dust at them.