Humans
The Hacker/Joon Jae-Lee
A hacker nicknamed Tapirus who has a vendetta against Raum and all A.I. in the world, he tries to destroy the main server of Raum so that humans becomes their own masters again. But when he tries to do that, he ends up more than he bargained for.
- Amnesiac Hero: The man from the first episodes turns out to be the Hacker after being killed and being transported to Raum’s virtual world to be contained.
Artificial Intelligence and robots
Raum
The artificial intelligence that controls all of South Korea, Raum has been ruling the country over decades and with that time, he has turned South Korea into a futuristic utopia where robots and A.I. catter their human masters in anything they want. However, behind his childish and affable persona, hides a sinister mastermind that has a hidden agenda to which he plans to set in motion when time is correct.
- A.I. Is a Crapshoot: Has shades of this. Raum is a nebulous and sinister A.I. that is plotting something really bad. It turns out it was formatting the world into a digital simulation, but the intentions are subverted when it is revealed that he only did it because they were in a virtual simulation in the first place but he never had ill intentions against humanity.
- Cute Machine: His small, egg-shaped camera body sure looks really cute. His real body is the size of a child and still looks like a adorable child.
- Silicon Snarker: Raum has a tendency to mock his enemies.
