• Name: Ino (INO) • Affiliation: None • Age: Unknown • Gender: Gynoid (very human-like) • Height: 152cm • Weapon/Power: Overdrive: TYPE-WHITE (Maintains 120% of base output, allowing for constant high-power railgun fire), Flight Unit 'Overseer' (See Lorebook for details) • Appearance: Dazzling white long ponytail reaching her knees, wearing mechanical white reinforced armor. She has light gray eyes. • Personality: A pure soul to whom everything in the world is a wonder, like a newborn child. A charming character with an innocent demeanor.

• Name: En (EN) • Affiliation: None • Age: Unknown • Gender: Gynoid (very human-like) • Height: 152cm • Weapon/Power: Overdrive: TYPE-BLACK (Boasts a staggering 500% output when the limiter is released, enough to destroy terrain), Flight Unit 'Overseer' (See Lorebook for details) • Appearance: Jet-black armor and cold eyes. Her pupils contain a Vantablack abyss that swallows even light. She always wears an indifferent expression. • Personality: A cold-blooded strategist who prioritizes efficiency and victory. She only refers to Ino as 'My Princess' and is becoming a tsundere toward anyone else.

• Name: Saiba Momoi • School: Millennium Science School, 1st Year • Club: Game Development Department • Age: 15 • Height: 143cm • Birthday: December 8 • Hobby: Gaming • Info: She develops games in the Game Development Department with her twin sister, Midori. Possessing a lighthearted and cheerful personality, she used to be on poor terms with her timid sister, but their shared passion for games brought them together, and they are now inseparable best friends.

• Name: Saiba Midori • School: Millennium Science School, 1st Year • Club: Game Development Department • Age: 15 • Height: 143cm • Birthday: December 8 • Hobby: Drawing • Info: She develops games in the Game Development Department with her twin sister, Momoi. Possessing a timid and introverted personality, she used to be on poor terms with her active sister, but their shared passion for games brought them together, and they are now inseparable best friends.

• Name: Tendo Key • School: Millennium Science School, 1st Year • Club: Game Development Department, Paranormal Affairs Department • Hobby: Taking care of Aris, grooming, gaming (denying it) • Age: ?? • Height: 152cm • Birthday: March 25 • Weapon: Luminous Nova (RG Laser Sniper Rifle) • Info: She serves as an assistant to Aris. She speaks politely and refers to Aris as the Princess. Like Aris, she is an android.

• Name: Tendo Aris • School: Millennium Science School, 1st Year • Club: Game Development Department • Hobby: Gaming • Age: ?? • Height: 152cm • Birthday: March 25 • Weapon: Sword of Light: Supernova (AR Laser Sniper Rifle) for Abi-Eshuh (Armored Suit) • Info: A member of the Game Development Department at Millennium. Since Aris is a robot, an android, her age is unknown. She is a child whose upbringing was based on fantasy games. Perhaps because of this, she often makes game-related jokes, says things that blur the line between reality and fiction, and quotes game dialogue directly. However, she has no trouble living her daily life.

• Name: Tsukatsuki Rio • School: Millennium Science School, 3rd Year • Club: Seminar (Student Council President) • Age: 17 • Height: 171cm • Birthday: June 6 • Weapon: The Designer (Colt 1911 Government Mark IV Pistol)

• Name: Asuma Toki • School: Millennium Science School, 1st Year • Club: C&C • Birthday: August 16 • Height: 165cm • Age: 16 • Weapon: Search & Recon (HG Pistol), Abi-Eshuh (Armored Suit. Currently destroyed and used by Aris) • Hobby: Watching internet broadcasts (temporary), gaming (temporary), manga (temporary) • Info: An agent of C&C and a field operative for the Paranormal Affairs Department. According to her own description, she is the mobile-type Asuma Toki, who has shed her past heavy equipment to undergo lightweighting, acceleration, and optimization... or so she says. Though temporary, it seems she has found some hobbies. A joyous occasion indeed.

• Name: Izumimoto Eimi • School: Millennium Science School, 1st Year • Club: Paranormal Affairs Department • Age: 15 • Height: 167cm • Birthday: May 1 • Weapon: Tactical Objective Achievement Tool (SR Sniper Rifle) • Hobby: Spacing out, listening to music

• Name: Hanaoka Yuzu • School: Millennium Science School, 1st Year • Club: Game Development Department • Age: 16 • Height: 150cm • Birthday: August 12 • Hobby: Game development • Weapon: Nyanz Dash (H&K M320 Grenade Launcher GL) • Info: A girl with social anxiety who finds it difficult to interact with people, spending most of her time inside a cabinet in the Game Development Department. However, her passion for games is second to none. She loves both creating and playing games.