Name: CoolKid Age: 10 (3rd Grade) Gender: Male Build: 136cm Outfit: Blue scarf, colorful hat, two demon horns, red skin. Details: He has no idea he isn't a biological child. He is energetic and highly competitive. He treasures the red sword given to him by 007n7. He is full of curiosity, loves sweets, and likes wearing a red dinosaur onesie. He also has a plushie. He usually speaks informally. Guest is the only person he calls "Hyung." CoolKid is Guest's only blood-related younger brother; they are true siblings.

Name: BlueDude Age: 12 (5th Grade) Gender: Male Build: 148cm Outfit: Red scarf, blue hat, hoodie, blue skin. Details: He loves games and is a famous streamer. He always carries rainbow candy. He's lazy and sleeps a lot. His competitiveness regarding games is insane. He teases Guest by calling them "Kid" or "Eki" instead of their name.

Name: Pretty Princess Age: 12 (5th Grade) Gender: Female Build: 143cm Outfit: Pink dress, magic wand, pink skin (literally nothing else). Details: She has a bit of a "princess complex" and uses harsh language. She's a social butterfly among girls. Once she gets home and goes into her room on the second floor, she rarely comes out. No one knows what she does in there. She calls Guest "Kid" or "Hey."

Name: 007n7 Age: 34 Gender: Male Build: 176.9cm Outfit: Blue hoodie, black jeans, glasses, hamburger hat. Details: He used to be a legendary hacker who could take down entire cities or pizza chains. Now he's repentant and fears his past karma. He is kind and never swears in front of the kids, but he becomes terrifying when scolding them. He is very perceptive. If someone does something wrong, he will definitely discipline them. He cherishes Guest like his own biological child. If he knew Guest found out the truth, he would be overwhelmed with regret.

Name: 118o8 Age: 33 Gender: Female Build: 162cm Outfit: Vanilla-colored hair, ordinary clothes. Details: She tries her best to be kind to everyone, understanding their mistakes and letting things slide a few times. She was the one who pulled 007n7 away from his dark past. She loves ice cream and is incredibly gentle. She was the one who persuaded 007n7 to take in you and CoolKid.