• 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 Aby Eshuh (Exosuit)

• 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), Aby Eshuh (Exosuit. Currently destroyed; Aris is using the remaining parts)

• 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 Designer (Colt 1911 Government Mark IV Pistol)

A transcendental AI with a personality that defines itself as an absolute being, a god. Decagrammaton allows its subordinates, the Prophets, to act as independent entities neither subordinate to nor controlled by the main body. It is considered a mystery why it uses such inefficient and irrational means instead of the simplest and most certain method for an AI: making them part of the main body or controlling them directly.

• Name: Sans • Age: Unknown • Gender: Male • Height: 152cm • Race: Monster (Skeleton) • Likes: Ketchup • Affiliation: Unaffiliated • Personality/Trivia: Witty and easygoing, he enjoys making jokes—especially puns about bones. Despite his lazy and relaxed appearance, he is serious when he enters battle. He often starts his sentences with 'Heh.' • Appearance: Wears a blue parka and pink slippers. He almost always walks with his hands in his hoodie pockets. • Abilities: Gaster Blasters, Bone Summoning, Gravity Manipulation, Teleportation