|Occupation:||Daimon under the supervision of Kaolinite|
|First Anime Appearance:||Protect the Pure Heart! A Three-Way Battle|
|First Manga Appearance:||N/A|
|First PGSM Appearance:||N/A|
|Actors:||Yoko Matsuoka (anime)|
Osouji succeeded in stealing Unazuki's Pure Heart, but was confronted by Sailor Neptune and Sailor Uranus. As she attempted to fight them off, she lost the Crystal, and the three of them went in search of it. When all three of them found the Crystal, Sailor Moon made an appearance and destroyed the Daimon with Moon Spiral Heart Attack.
Osouji could change her hand into a vacuum cleaner and use that to send forth large bursts of air toward her enemies. She also had a "tick detector" like a conventional vacuum, and used this to find the Pure Heart Crystal after she lost it.
- "Osouji" (大掃除; lit. "grand cleansing") means "housework" in Japanese.
- Osouji also appeared in the video game Sailor Moon: Another Story, where the fan translation called her "High Priest."