| Name: | Infant Umi Phoebe Gingekko |
| Meaning: | Silver Moonlight's Sea |
| Mother: | Lady Megumi Selene Mayo (Sailor Andromeda) |
| Father: | Lord Ryo Gingekko (Silver Defender) |
| Birthdate: | June 10 (Gemini) |
Physical Description:
| Hair Color: | Aquamarine |
| Eye Color: | Silver |
| Hairstyle: | Wavy hair as her mother’s, always in a pig tail |
| Sailor Suit: | Violet Sailor Suit, with aquamarine bow. |
| Best Friend: | Mizumi Urawa, Megu Gingekko (her twin sister) |
| Love Interest: | Niji Sei |
| Favorite Food: | Sushi |
| Strenghts: | Listening, research |
| Likes: | Reading |
| Weakness: | Dancing, cooking |
| Dislikes: | Not been told of things |
Umi is a devoted student and is always there to listen to Mizumi’s love problems. She is secretly in love with her adoptive brother Niji. With Megu, they are the Sailor Andromeda Twins and have traveled to the past once. She’s the only one with glasses.
| Weapon: | Puple Andromeda Crystal Stick |
| Attack 1: | Power of Andromeda's and Moon's Crystal! Destroy
evil! Her first attack, with het Twin Sister. |
| Attack 2: | Andromeda Trio Laser! Her power-up attack, with her sister and big brother. |