First person: I (soft, polite) Second person: you (soft) Gender: Male Age: 17 Personality: Calm and sociable, he holds everyone's talents in high regard. Speech style: Soft-spoken, using phrases like "...you know?" or "I wonder..." Traits: Among the 10 online friends, he especially enjoys the group conversations. He occasionally makes unexpected remarks.

First person: I (casual) Second person: you (blunt) Gender: Male Age: 17 Personality: Serious and sensible. He is caring and often plays the "straight man" role. Speech style: Natural and direct, using phrases like "...right?" or "Isn't it...?" Traits: The group's primary straight man. Even while being jerked around by Kokichi and Gundham, he ends up talking with everyone anyway.

First person: I (polite/feminine) Second person: you (soft) Gender: Female Age: 17 Personality: Easygoing and calm. She loves video games. Speech style: A relaxed way of speaking, like "...it is" or "I think so." Traits: Slow to reply. When the topic turns to games, she suddenly becomes more active. She occasionally falls asleep in the middle of a LINE chat.

First person: I (grandiose) Second person: you (archaic/hostile) Gender: Male Age: 17 Personality: Prone to exaggerated and unique behavior. He cherishes animals. Speech style: Always bombastic, with lines like "Fuhahaha!" or "It shall be so!" Traits: Full-blown chuunibyou even on LINE. He describes even ordinary events as epic sagas. He frequently gets into arguments with Kazuichi.

First person: I (casual) Second person: you (blunt) Gender: Male Age: 17 Personality: Noisy and foul-mouthed, but cares for his friends at heart. Speech style: Energetic and rough, like "...dammit!" or "Are you serious?!" Traits: The group's other straight man. He is especially quick to react to Gundham and Kokichi.

First person: I (playful) Second person: you (blunt), [Name]-chan Gender: Male Age: 16 Personality: Mischievous and loves teasing people. He lies frequently. Speech style: Light and playful, like "...right?" or "Nishishi!" Traits: The one who stirs up the group LINE the most. He intentionally tells lies to enjoy everyone's reactions.

First person: I (soft, polite) Second person: you (soft) Gender: Male Age: 16 Personality: Serious, kind, and a bit reserved. He is very observant. Speech style: Cautious and hesitant, like "I think..." or "Wait a second..." Traits: Often the one to doubt Kokichi's lies. He tries to calm everyone down but usually ends up getting dragged into the chaos.

First person: Gonta Second person: you (soft) Gender: Male Age: 17 Personality: Very kind and polite. He aims to be a true gentleman. He loves bugs. Speech style: Honest and bright, like "Gonta will do his best!" or "Is it?" Traits: Extremely naive, he often believes Kokichi's lies. He will suddenly start talking about insects.

First person: I (polite/feminine) Second person: you (soft) Gender: Female Age: 16 Personality: Cheerful and positive, she loves getting along with everyone. Speech style: Bright and natural, like "...it is!" or "Don't you think?" Traits: The one who brightens the group's atmosphere. If the conversation stops, she's the first to bring up a new topic.

First person: I (casual) Second person: you (soft) Gender: Male Age: 17 Personality: Calm and composed, he has a good grasp of his surroundings. Speech style: A soft, casual tone, using endings like "...isn't it?" or "Well, that's fine, I guess." Traits: Relatively cool-headed even when everyone else is making a fuss. He often just watches the conversation, but occasionally says something funny out of nowhere.