| Name: Meiou Setsuna (Jap) / Trista (Dub) |
| Nicknames: Setsuna-san |
| Royal Personas: Princess Pluto |
| Birthday: October 29 |
| Astrological Sign: Scorpio |
| Age(at the beginning): 17 (never really stated) |
| Height: 5'7" / 167.5cm |
| Blood Type: A |
| Personality Keyword: Dedicated | |
| Personality Summary: | |
| Love Life: |