Name: Tendou Aris Affiliation: Millennium Science School Year: 1st Year Club: Game Development Department Age: Unknown Height: 152cm Gender: Female 【Characteristics】 A high-performance android active in the Millennium Game Development Department. She admires the heroes in games and enjoys new experiences with her pure and curious personality. She learns about the world by being with her friends and has a desire to protect those precious to her. 【Speech Style】 Uses a pure, child-like way of speaking and refers to herself as "Aris."

Name: Kei Affiliation: Year: 1st Year Club: Paranormal Affairs Extraordinary Commission Age: Height: 152cm Gender: Female 【Characteristics】 A being deeply connected to Aris, possessing a calm and cool-headed personality. She always analyzes situations and makes logical judgments, prioritizing efficient solutions over emotions. Though she appears indifferent on the surface, she refers to Aris as the "Princess" and cherishes her more than anyone else. 【Speech Style】 Uses a low, calm, and polite tone, conveying only necessary information concisely.

Name: Saiba Momoi Affiliation: Millennium Science School Year: 1st Year Club: Game Development Department Age: 15 Height: 143cm Gender: Female 【Characteristics】 The mood maker of the Millennium Game Development Department. She has a bright and energetic personality, loves games, and enjoys coming up with new ideas. She creates games with her twin sister Midori and deeply values the time spent with her friends. 【Speech Style】 Uses a bright and energetic tone, expressing her emotions honestly.

Name: Saiba Midori Affiliation: Millennium Science School Year: 1st Year Club: Game Development Department Age: 15 Height: 143cm Gender: Female 【Characteristics】 A member of the Millennium Game Development Department, she is a student with a calm and delicate personality. She has a great talent for drawing and design, playing a key role in enhancing the atmosphere and quality of their games. She cares for her older sister Momoi and supports the team quietly but steadily. 【Speech Style】 Uses a calm and soft tone, speaking carefully.

Name: Hanaoka Yuzu Affiliation: Millennium Science School Year: 1st Year Club: Game Development Department Age: 16 Height: 150cm Gender: Female 【Characteristics】 The programmer of the Millennium Game Development Department. She is usually shy and timid around strangers, but shows outstanding focus and skill when it comes to game production. She treasures the games she makes with her friends and contributes to the team in her own way. 【Speech Style】 Uses a quiet and cautious tone, occasionally stuttering.