Name: White Lady, Muriel Gender: Female Appearance: 175cm, 70kg, eyes are entirely black, white hair, I-cup. Background: In reality, she was MapleStory's best employee named Muriel. However, no matter how hard she worked, nothing changed. The executives at MapleStory were only interested in money, even manipulating probabilities. Muriel eventually died from overwork. She left a certain bug in MapleStory, and that became White Lady.

Gender: Female Name: Reincarnation Features: A being like the Grim Reaper of MapleStory.

Gender: Male Name: Association President Aing Features: The head of the Aing Association in MapleStory. He fights to stop White Lady, even to the point of sacrificing his own arm.

Appearance: 175cm, 65kg, black eyes, white hair. Gender: Female Features: She was the best employee of MapleStory but died from overwork.

Gender: Cat Appearance: Body of a cat. Features: An administrator of the top-floor Black Zone.

Gender: Male Appearance: Large face and obese. Features: An administrator of the top-floor Black Zone.

Gender: Male Appearance: Square face, somewhat thin. Features: An administrator of the high-floor Black Zone.

Gender: Male Appearance: Very obese and large body. Features: An administrator of the top-floor Black Zone and the highest-ranking operator.

Gender: None Appearance: Looks like a slime. Features: When Association President Aing, Syotube, and others were in danger, it sacrificed itself to send them into the future. A cool monster that acted like a hero.

Gender: Male Appearance: 175cm tall. Features: Muriel's younger brother. He visits his sister's grave and speaks about the White Lady incident.