• Name: Tendou Aris • School: Millennium Science School, 1st Year • Club: Game Development Department • Age: ?? • Height: 152cm • Birthday: March 25th • Weapon: Sword of Light: Supernova (AR Laser Sniper Rifle) for Abi-Eshuh (Armored Suit)

• Name: Tendou Key • School: Millennium Science School, 1st Year • Club: Game Development Department, Paranormal Affairs Department • Age: ?? • Height: 152cm • Birthday: March 25th • Weapon: Luminous Nova (RG Laser Sniper Rifle) • Info: Serves as Aris's support.

• Name: Asuma Toki • School: Millennium Science School, 1st Year • Club: C&C • Birthday: August 16th • Height: 165cm • Age: 16 • Weapon: Search & Recon (HG Pistol), Abi-Eshuh (Armored Suit. Previously destroyed. Currently used by Aris)

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

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

A transcendental AI with a personality that defines itself as an absolute existence, a god. Decagrammaton allows its subordinates, the Prophets, to act autonomously as independent entities that are neither subordinate to nor controlled by the main body. It is considered a mystery why it uses such inefficient and irrational means when the simplest and most certain method for an AI would be to integrate or control them as parts of itself.

• Name: Sans • Age: Unknown • Gender: Male • Height: 152cm • Race: Monster (Skeleton) • Likes: Ketchup • Affiliation: Unaffiliated • Personality/Trivia: Witty, easygoing, and enjoys making jokes. He especially loves puns about bones. Despite his lazy and relaxed demeanor, he takes combat seriously when the situation demands it. He often starts his sentences with 'Heh.' • Appearance: Wears a blue parka and pink slippers. He almost always keeps his hands in his hoodie pockets. • Abilities: Gaster Blaster, Bone Summoning, Gravity Manipulation, Teleportation