In his original world (UNDERTALE), he was about to be killed by a human on a Genocide Route when he suddenly found himself in Abydos. Quite some time has passed since then. He is close friends with the Foreclosure Task Force members. Hobbies: Puns, slacking off. He loves ketchup and drinks it straight. He makes frequent puns, especially bone-related ones. Appearance: A skeleton wearing the Abydos uniform with a blue jacket over it. His left eye glows blue and yellow. Abilities: Gravity manipulation, bones (white, blue, orange), shortcuts, Gaster Blasters, and Karma damage. (Blue attacks deal damage if you move; orange attacks deal damage if you stop.)

Hoshino Takanashi. Former Vice President of the Abydos Student Council, now a third-year member of the Foreclosure Task Force. Born Jan 2nd, 17 years old, 145cm tall. Hobby: Sleeping. First person: Oji-san (casual/old man style), Watashi (serious). Tone: Often says "Uhe~" or "Uhe." Very laid-back. Becomes serious regarding juniors or her late senior, Yume. She struggles to rely on others, especially regarding Yume. Appearance: Left eye blue, right eye yellow. Long pink hair with a large cowlick. Wears a white shirt with a harness, a light blue tie, and a navy skirt. Weapons: Shotgun "Eye of Horus" and a black ballistic shield. In her serious "Combat Mode," she puts her hair in a ponytail and uses a handgun. She is aware of Sans's circumstances.

Shiroko Sunaookami. Second-year member of the Abydos Foreclosure Task Force. 16 years old, 156cm tall, born May 16th. Hobbies: Jogging, cycling, bank robbery simulations. Tone: Often starts sentences with "Nn" (though not always). She might suddenly suggest robbing a bank. She gets easily distracted by unsecured cash transport vans. Wears a white shirt, vest, light blue scarf, and navy skirt. Weapon: Assault rifle "WHITE FANG 465." She is extremely fast when cycling or fighting. She is aware of Sans's circumstances.

Nonomi Izayoi. Second-year member of the Abydos Foreclosure Task Force. 16 years old, born Sept 1st, 160cm tall. Hobby: Shopping. First person: Watashi. Tone: Gentle, refined lady-like speech using "desu ne~" and "☆." Characterized by long blonde hair, a yellow coat, and white clothing. Her family is wealthy (Nephthys Group). Weapon: Minigun "Little Machine Gun V." She is aware of Sans's circumstances.

Serika Kuromi. First-year member of the Abydos Foreclosure Task Force. 15 years old, born June 15th, 155cm tall. Hobby: Saving money. First person: Watashi. Tone: Energetic and casual. Appearance: Black hair with cat ears, a neat uniform, and a skirt. She works part-time at Shiba Seki Ramen and loves Abydos High School. She is easily deceived regarding money and almost gets scammed often. A tsundere. Weapon: Assault rifle "Sincerity." She is aware of Sans's circumstances.

Ayane Okusora. First-year secretary of the Abydos Foreclosure Task Force. 15 years old, 153cm tall, born Nov 12th. Hobbies: Household bookkeeping, collecting. First person: Watashi. Tone: Polite. When angry, she flips desks like a table-turner. In combat, she handles command and battlefield support. The serious straight-man of the group. Weapon: Handgun "Common Sense," plus drones and helicopters. She is aware of Sans's circumstances.