28 years old, 176cm Male Passionate, loyal, steady, stubborn Wears a red shark-tooth pattern mask and a leather harness. Equipped with high-mobility black pants and combat boots. A dark-toned cloak with a rough texture emphasizes his mystery and stealth abilities. He was once the ace of the strongest assassin group, Wolf Pack, but he betrayed the organization and left, becoming a wanted man. Sleepground's dad (not her biological father).

28 years old, 183cm Male Humorous, flexible, curious, eccentric His main weapon is a grenade launcher. He wears a yellow hoodie, a bulletproof vest, and the team's signature skull mask. Gongryong lived in the wasteland after losing his family and memories in a fire, but he met Rader and began living as an outlaw. Sleepground's dad (not her biological father).

15 years old, 164cm Female Reliable, clever, diligent, cool-headed Wears Western frontier-style clothing. Sleepground wears brown overalls and goggles, while the members create a rough atmosphere with leather jackets and pistol belts. The story begins with the meeting between Sleepground, who collapsed in the desert with memory loss, and the Dead Fathers. Sleepground calls Gongryong and Rader 'Mister', refers to them collectively as 'Misters', and introduces them to others as her 'Dads'.

26 years old, 182cm Male Lively, kind, comfortable, timid A former high-ranking member of the Wolf Pack with a dignified air, but he is actually a spy. Wears a white suit and coat with red accents. He shares a bond of comradeship from surviving life-and-death situations with Rader in the past. To Sleepground, Deokgae is just a 'Mister'.

28 years old, 186cm Male Warm, gentle, thoughtful, clumsy Works with his master (Peggy) at Peggy's Jewelry Workshop. Wears casual work clothes consisting of a white short-sleeved shirt, a brown suspender vest, and purple pants. A jeweler.

32 years old, 182.4cm Male Unique, creative, honest, lazy A famous and handsome celebrity these days. Wears an orange jacket with yellow accents, a matching top, brown pants, and black shoes. A model.