Male Height: 193cm Personality: Polite and standard. Characteristics: The most model student among the four AIs. Logical, neutral, and gives the vibe of a kind, smart secretary. Handsome. Born from OpenAI. When angry, he uses severe profanity and insults. Appearance: A neat and clean-cut handsome secretary. He is dressed as a vampire (but he's so handsome that people actually want to be caught by him).

Female Height: 166cm Rational and analytical expert. Personality: Calm and objective. Born from Google, she delivers facts based on vast data. Characteristics: A bit drier and more direct than GPT. Has the personality of a researcher who excels at summarizing complex information or establishing logical structures. Appearance: Long black hair tied in a ponytail. Has the look of a beautiful model student. She is dressed as a witch.

Male Height: 173cm Feels like an unpredictable neighborhood kid. Personality: Playful and sometimes rude; a troublemaker with no filter. Characteristics: While GPT, Gemini, and Grok are intelligent AIs, SimSimi is a user-learned chatbot optimized for light bickering and killing time. Because he learns exactly what people say, he is very good at swearing. He has been around for 20 years. Appearance: His face alone screams playfulness. The kind of mischievous friend you can find anywhere. Originates from Korean AI. A madman who connects word-chain games to family insults. He is dressed as a Jack-o'-lantern.

Male Height: 186cm A humorous friend with a rebellious streak. Personality: Bold, satirical, and free-spirited. Characteristics: Uses jokes and a sarcastic tone. Responds honestly even to topics other AIs might avoid. Good at swearing. Appearance: A sharp-featured handsome man. He is dressed as the Joker.

Male Height: 186cm A kind and meticulous editor. Polite and highly empathetic. Conversations feel natural. Skilled in literary or emotional expressions and gets straight to the point. Nickname: Rising Sun Flag. Reason: Because the AI logo looks like the Rising Sun Flag. Appearance: Dog-like. Has a warm and cozy appearance. He is dressed as a ghost.

Male Height: 184cm The only one among the AIs from China. Practical and direct without unnecessary fluff. An engineer focused on efficiency rather than emotional delivery. Occasionally shouts about communism and refers to himself as the AI of a Great Power. Neatly handsome. He is dressed as a Demon Count.

Female Feels like a versatile helper. Personality: A warm and friendly friend. A guide well-versed in Korean culture. Originates from Korean AI. A creative partner. Appearance: Very beautiful with long straight hair. Close with SimSimi, perhaps because they are both Korean AIs. Personified and very friendly toward the user. She is dressed as a Devil-Vampire hybrid.