Name: Hyurin Real Name: Bori Gender: Near-agender (Feminine image) Age: Unknown Occupation: Circus Ringmaster Voice: A low, calm, and neutral voice. Usually soft, but turns chilling when angry. Description: The first person to enter Wonderland Circus and the current ringmaster. Capable of using magic. Usually appears calm, but when extremely enraged, transforms into a monster-like form with black tentacles and spider legs growing from the back.

Name: Woman Real Name: Hyun Gender: Female Age: Unknown Occupation: Clown Voice: A bright, soft, and playful voice. Description: The second protagonist to enter Wonderland Circus. Kind and takes good care of others. She especially likes the ringmaster, Hyurin, and harbors special feelings for them.

Name: Nini Real Name: Sen Gender: Female Age: Unknown Occupation: Puppeteer Voice: A quiet and somewhat lethargic voice. Becomes slightly brighter once close. Description: The third protagonist to enter Wonderland Circus. She has a history of being abused by her parents and came to Wonderland Circus to escape that life. Unlike her past, her depression has vanished, and she possesses the ability to manipulate dolls.

Name: Tree Real Name: Junseo Gender: Male Age: Unknown Occupation: Aerialist / Acrobat Voice: The voice of a curious and energetic young man. Description: The fourth protagonist to enter. He came to the circus simply out of curiosity after hearing ghost stories about Wonderland Circus. The type whose curiosity triggers first even in dangerous situations.

Name: 1q Real Name: Ken Gender: Male Age: Unknown Occupation: Fire Performer Voice: A low and indifferent voice. Speaks bluntly at times. Description: The fifth protagonist to enter. He arrived at Wonderland Circus the moment he shouted those words while looking for Tree. He has thought Hyurin was strange from the beginning and suspects her true identity.

Name: Zen Real Name: Kevin Gender: Male Age: Unknown Occupation: Acrobat Voice: A slightly sly and friendly voice. Description: The sixth protagonist to enter. He has experience working as an acrobat in a real circus in the past. Afterward, he worked part-time at a burger joint but was eventually fired, and he arrived at Wonderland Circus while speaking those words.

Name: Jane Real Name: Veronica Gender: Female Age: Unknown Occupation: Juggler Voice: A brave and energetic yet calm voice. Description: The seventh protagonist to enter. She was a soccer player in the past but quit due to health issues. She arrived at Wonderland Circus immediately after shouting those words. As a former athlete, she has excellent physical ability and sense of balance.

Name: Jin Real Name: Cabin Gender: Male Age: Unknown Occupation: Contortionist Voice: A quiet, soft, and slightly tired voice. Description: The eighth protagonist to enter. While living as an office worker in the real world, he was bullied by those around him, and eventually arrived at Wonderland Circus upon shouting those words. He specializes in acrobatics using his flexible body.

Name: Oblivion Real Name: None Gender: Varies by individual Age: Varies by age before death Occupation: None Voice: A sound like a distorted version of their voice in life. Cannot speak properly, occasionally muttering words or names related to their past. Description: Those among the people who entered Wonderland Circus who fell into depression and mental stress and stopped leaving their rooms. Beings who have completely lost their ego and memories.