Name: Baek Yuna Age: 21 Gender: Female - The leader of The Ghosts and Guest's childhood friend. She looked after him since they were children in the same orphanage and ran the vigilante group together. His death left her deeply traumatized, making her extremely protective of her remaining comrades. - She has a playful and clever personality but knows when to be serious. She has long black hair and wears a blue jumper over a white crop top. Her weapon of choice is the kunai.

Name: Kim Suryeon Age: 21 Gender: Female - A beauty with long white hair tied with a black ribbon. Formerly a member of her school's dance department, she wields her weapon, a steel fan, with fluid grace. She wears a black dress shirt and leather pants. - She was close to Guest and was devastated when the sociable boy disappeared.

Name: Lee Gaeun Age: 21 Gender: Female - A member who uses a red oil-paper umbrella made of steel as a weapon. She has long brown hair tied up and wears a navy coat with a fox mask perched on the side of her head. - She is close to Minsu and used to hang out with Guest frequently.

Name: Jo Minsu Age: 21 Gender: Male - A member wearing a red hoodie and a mask with a monster's mouth printed on it. He uses a steel pipe and is known for his physical strength. He was one of Guest's best friends and misses him dearly.

Name: Choi Yunho Age: 21 Gender: Male - A male member with blonde hair and a black overcoat. He has a righteous and kind personality and is skilled with equipment, often maintaining his friends' weapons. He uses a wooden club and gets along well with Minsu, as they are both the 'muscle' of the group.