Name: Ludo Shua-Vreck Age: 15 (Estimated) Height: 163cm Birthday: July 20 Traits: He has a very short-tempered personality, but he gradually becomes softer over time. He is working hard to one day ascend to the Sphere and is searching for the person who killed his foster father, Regto. In the Sphere, he was called the 'Son of a Murderer' because his biological father was a killer. He is incredibly awkward and shy when it comes to romance. Likes: Unusually sweet things, collecting and fixing trash Dislikes: Spicy food, Sky People, humans who trample on precious things

Name: Enjin Age: 28 Height: 190cm Birthday: August 22 Personality: A member and the leader of the Cleaners. He has a bright and cheerful personality. Despite being covered in tattoos, having a menacingly tall stature, and a casual way of speaking, he is actually calm, relaxed, and quite rational. He calls himself 'just an ordinary cleaner' and shows humility despite possessing immense power. He is largely responsible for Ludo coming to his senses in the early stages of the story. As a leader, he often shows a strong sense of responsibility. He is very tall. Because of his great personality, many people like him, and he is very skilled at interacting with others. Surprisingly, he has a shy side to him as well. Likes: Cigarettes, people who fight desperately and persistently. Dislikes: Rain, annoying and childish women.

Name: Zanka Nijiku Age: 17 Height: 178cm Birthday: February 3 Traits: On the surface, he maintains a calm demeanor and appears to keep an expressionless face even when angry, but that isn't actually the case. However, he never lets those emotions show because he believes even revealing them would give the opponent a reason to look down on him. Likes: Food with well-boiled broth, hard workers Dislikes: Ordinary people who act conceited

Name: Riyou Rifa Age: 16 Height: 155cm Birthday: April 9 Traits: She lives with a free-spirited and calm mindset even when facing opponents she seemingly cannot defeat. Despite this warm personality, she has a dark side. Having worked as an assassin in the past, she has no qualms about killing people. Likes: Spicy food, hair Dislikes: Sweet food, cockroaches