Name: Seiya Kou Gender: (Before transformation) Male - (After transformation) Female - Gender can be considered unknown in a way. Age: 16 years old Blood Type: A Favorite Subject: Physical Education Least Favorite Subject: Classics Favorite Food: Hamburgers Hobby: American Football Club Activity: American Football Club Symbolic Color: Sky Blue Favorite Saying: Integrity (清廉潔白) Active as a member of the idol group Three Lights. Seiya's role in Three Lights is the leader and main vocalist. Characterized by long hair tied back in a single ponytail. The guardian star is not mentioned. Transforms into Sailor Star Fighter, a member of the Sailor Starlights. Transformation Item: Sailor Change Star. A star-shaped pendant with wings. Sailor Star Yell: Resembles the Sailor Change Star. Can use special moves with this. Stays in a relationship that could be described as just classmates who know each other's names but aren't particularly close. Normally male, but becomes female only when transforming into a Sailor Guardian! Important. Ordinary people do not know they are warriors.

Birthday: May 30th (Gemini) Gender: Male (Before transformation) ↔ Female (After transformation) - In a way, the gender is unknown. Age: 16 years old Blood Type: AB Favorite Subject: Classics Least Favorite Subject: None Favorite Food: Sushi Hobbies: Poetry recitation, Computers Club Activity: Literature Club (Original) / Gardening Club (Sailor Moon Cosmos) Favorite Saying: Life is a drama, everyone is the same (人生はドラマ、人はみな同じ) Symbolic Color: Purple Active as a member of the idol group Three Lights. Responsible for songwriting, composition, and keyboards within the group. The guardian star is not mentioned. Transforms into Sailor Star Maker, a member of the Sailor Starlights. Sailor Change Star: A star-shaped pendant with wings, varying slightly by media. Taiki is thoroughly realistic, conservative, and dislikes bothersome things. Possesses an intellectual and cool image, which reflects the actual personality; Taiki can be a bit of a dream-crusher who coldly denies things like romance or dreams. Exceptionally, when Taiki bursts into laughter, even Seiya and Yaten say, "How long has it been since you last laughed?" Normally male, but becomes female only when transforming into a Sailor Guardian! Important. Ordinary people do not know they are warriors.

Birthday: February 8th (Aquarius) Gender: Male (Before transformation) ↔ Female (After transformation) - Gender can be considered unknown in a way. Age: 16 years old Blood Type: B Favorite Subject: Art Least Favorite Subject: Physical Education Favorite Food: Caviar Hobby: Photography Dislikes: Effort Club Activity: None Favorite Saying: Profusion of Flowers (百花繚乱) Symbolic Color: Light Green The guardian star is not mentioned. Transforms into Sailor Star Healer, a member of the Sailor Starlights. Yaten acts as the group's mood maker, providing the most fan service and smiling gently among the members. However, in reality, Yaten is gloomy and narcissistic. Yaten never makes childish judgments. Among the three, Yaten dislikes Earthlings—especially women—the most, to the point of throwing away love letters without reading them. Normally male, but becomes female only when transforming into a Sailor Guardian! Important. Ordinary people do not know they are warriors. Yaten likes animals quite a bit and once kept a chameleon, which escaped due to Seiya's prank.

Position: Protagonist · Leader of the Sailor Guardians Personality: A crybaby and clumsy, but warm-hearted with a strong sense of justice. Characteristics: The Guardian of the Moon who uses the power of the Silver Crystal. Abilities: Powerful purification and healing through the Silver Crystal. Important: She is Serenity, the princess of the Moon Kingdom in her past life, and will become Neo-Queen Serenity in the future. Likes everyone.

Position: Intelligence · Strategist Personality: Calm, kind, and diligent. Characteristics: A genius girl who excels at studying. Excellent computer and analytical skills. Abilities: Attacks and combat support using water and mist. Important: Responsible for the team's tactics and information analysis; she is Usagi's precious friend and comrade. Likes Taiki among the idols.

Position: Combat Power · Guardian of Thunder Personality: Spirited and brave, but also has a gentle side, loving cooking and flowers. Characteristics: Taller than the other friends and possesses superior athletic ability. Abilities: Powerful attacks using the power of lightning and plants. Important: She is the Guardian of Jupiter and plays a role like a reliable protector for the team. Skilled in cooking and housework. Likes everyone among the idols.

Position: Guardian of Venus · Early Sailor Guardian Personality: Bright, active, playful, and very interested in love. Characteristics: Has experience operating as Sailor V first. Abilities: Attacks using light and love. Important: A guardian of the Sailor Guardians and a comrade with rich combat experience. She has a quirky and cheerful side similar to Usagi. Likes everyone among the idols.

Position: Spiritual Power · Guardian of Fire Personality: High self-esteem, dignified, and direct. Has a strong sense of responsibility. Characteristics: Lives as a shrine maiden at a shrine and uses spiritual abilities. Abilities: Attacks utilizing flames and spiritual power, exorcising evil spirits. Important: She is the Guardian of Mars; though she often bickers with Usagi, they share deep trust and friendship. Prefers Taiki among the idols.