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| Romanization | oosaka naru |
| Name Origin | Her surname is spelled in the same way that the Japanese city of  saka is spelled. |
| 1st Appearance | Episode 001 (manga: act 01, tankoubon 01) |
| Seiyuu | Kakinuma, Shiro |
Information: When the series starts out, Naru is introduced as Usagi's very best friend. Together they attend Juuban Junior High School (and later Juuban Senior High School). In the beginning, like Usagi, she finds Umino to be a very strange, nerdy, and annoying boy. In the second season, however, the two start dating though she seemed to open up to him a little while after Nephrite's death. Her mother owns a jewelry store, Jewelry OSA*P. She is a very gentle and trusting girl who always wants to do what is right for the ones she cares about. She seems to be the target of many scary creatures, but believes in Sailor Moon. She is most known for her heartbreaking love story with one of the Shitennou from the Dark Kingdom, Nephrite. A tragic love that captivated many hearts and brought tears to viewers' eyes.
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| Romanization | umino gurio |
| Name Origin | ?? |
| 1st Appearance | Episode 001 (manga: act 01, tankoubon 01) |
| Seiyuu | Nanba, Keiichi |
Information: Umino attends Juuban Junior High School with Usagi and Naru. He used to have an extremely big crush on Usagi, but after a while he gave up on her. He saw that Naru was also kind and loving and came to truly care for Naru, who is now his girlfriend. They eat lunches together and go on dates like a normal couple. He is quite nerdy, but it pays off since he get very good grades and is able to get a lot of interesting information off of the internet. His alias that he uses for practice exams is Googly Glasses. His voice actor also does the voice for Zoisite.
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| Romanization | sakurada haruna |
| Name Origin | For her surname, the first kanji means "cherry blossom" and the second means "rice field." For her given name, the first kanji
means "spring" and the second means "vegetable." |
| 1st Appearance | Episode 001 (manga: act 01, tankoubon 01) |
| Seiyuu | Kawashima, Chiyoko |
Information: She is a teacher at Juuban Junior High School, specifically, the teacher of Tsukino, Usagi. While she is still single, don't forget that she is still not an old lady and will find love! She goes to fitness centers and other such things to keep herself attractive. She even dates. Believe it or not she is a normal lady. She has been subjected to many attacks from scary monsters to bad school children. Sailor Moon has come to her rescue on several occasions.
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| Romanization | furuhata motoki |
| Name Origin | For his surname, the first kanji means "old" and the second means "flag." For his given name, the first kanji means "origin" and
the second means "fountation." |
| 1st Appearance | Episode 002 (manga: act 01, tankoubon 01) |
| Seiyuu | Satou, Hiroyuki |
Information: Motoki works at the Game Center Crown where Usagi frequents. She calls him Motoki-oniisan and had a very big crush on him in the beginning of the series. She is always coming in with her smiling face and playing the Sailor V game. He is also friends with Chiba, Mamoru who attends the same college as he does. His girlfriend is Nishimura, Reika, a wonderful woman science student. He has a little sister, Unazuki, who is also friends with Usagi and the others. His favorite food is Hayashi Rice (rice with hashed beef) as stated in episode 25.
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| Romanization | kayama mika |
| Name Origin | For her surname, the first kanji means "fragrant", the second means "mountain". |
| 1st Appearance | Episode 005 |
| Seiyuu | Shiaishi, Ayako |
Information: Mika is a friend and classmate of Shingo, Usagi's younger brother. They attend the same school and often hang out together. They are both fans of Sailor V and Sailor Moon. Her mother, Kayama, Yoshiko, is famous for the French dolls she makes and Mika has also displayed this ability. She displays an outstanding talent of making French dolls and has won many awards for them.
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| Romanization | amade yuusuke |
| Name Origin | For his surname, the first kanji means "rain", the second means "to go out". |
| 1st Appearance | Episode 006 |
| Seiyuu | Wakamoto, Norio |
Information: Amade, Yuusuke is a jazz musician. Usagi first learned of him through her friend Naru, who was a collector of his CD's. She thought he would be a nice older man and wanted to go on a date with him. Usagi got the chance to meet him when he was being chased in the rain by a Dark Kingdom youma. The man was in love with his producer/manager, Akiko, but was too shy to tell her of his feelings. When a showdown with the youma finally happened, Amade was brave and helped to save Akiko. In the end he and Akiko were married.
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| Romanization | yanagi akiko |
| Name Origin | The kanji used for her sur name means "willow, slim." |
| 1st Appearance | Episode 006 |
| Seiyuu | Ukai, Rumiko |
Information: Yanagi, Akiko was the producer/manager of Amade, Yuusuke, the jazz musician. She was unaware of Amade's feelings for her until after he saved her from the Dark Kingdom youma. There was a happy ending for them as the got married.
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| Romanization | shiratori mikan |
| Name Origin | The two kanji used for her surname mean "swan." |
| 1st Appearance | Episode 007 |
| Seiyuu | Kanai, Mika |
Information: She is a popular idol singer who appears within the Sailormoon series a few times. Mikan is another habitual target of evil creatures from the Dark Kingdom.
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| Romanization | rei no ojiisan |
| Name Origin | N/A |
| 1st Appearance | Episode 010 |
| Seiyuu | Nishimura, Tomomichi |
Information: Rei's grandfather is the owner and priest of the Fire River Shrine. Rei lives with him and works as a miko, (shrine maiden) there. He has proven to be a lecherous old man and is always trying to recuit pretty young girls at the shrine. Rei is always scolding him for his bad behavior and even found out that magazines were warning people about him. Still, he cares for his granddaughter and she loves him back. He became the youma named Jiji when the Rainbow Crystal was stolen from him.
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