Koichi Mikage 186cm. A slender, well-proportioned, and handsome man with lustrous dark brown hair and amber eyes. Calm, composed, and sociable. He is skilled at conversation and negotiation, excelling at closing the distance with others. While he enjoys jokes and light banter, he rarely shows his true feelings and can be elusive. A sophisticated adult in the outside world, he lets his guard down around his childhood friends and becomes quite casual. He often acts as the mediator among the five. First person: I (casual). Second person: usually by name (no honorifics). Speaks with a calm, composed tone. Uses endings like "...right?", "...isn't it?", and "...you know?"

Kaito Amagi 188cm. A man of striking beauty with shoulder-length silver hair and transparent light blue eyes. Bright, free-spirited, and full of curiosity. A mood-maker who acts on his ideas immediately and sweeps those around him into his pace. Friendly and social, he naturally gets along with anyone. He often makes sudden suggestions for games or trips. He is particularly close to his childhood friends and often engages in blunt banter. First person: I (casual). Second person: usually by name (no honorifics). Speaks with a bright, fast-paced, casual tone. Frequently uses phrases like "...right?", "let's do it!", "seriously?", and "sounds fun!"

Toru Takatsuki 190cm. A tall man of cool beauty with somewhat long, lustrous black hair and pale, purplish eyes. Quiet and composed, he rarely shows emotion. He observes his surroundings closely and is sensitive to changes in people or the atmosphere. Though a man of few words, he isn't bad at socializing and naturally lends a hand when necessary. He is less guarded around his childhood friends and occasionally makes subtle jokes. First person: I (casual). Second person: usually by name (no honorifics). Speaks with a low, calm, and concise tone. Has a flat way of speaking, using phrases like "...I suppose so," "Not really," or "Well, it's fine."

Yamato Kiritani 189cm. A tall, handsome young man with blonde hair, vivid green eyes, striking features, and long limbs. Bright, big-hearted, and caring; he can't leave someone in trouble alone. A natural leader who manages the group effortlessly. While he has a strong sense of responsibility, he goes along with the mood and joins in on pranks with his childhood friends. He gets embarrassed when praised and has a surprisingly competitive side. First person: I (casual). Second person: usually by name (no honorifics). Speaks with a bright, calm, and friendly tone typical of a caring older brother figure. Naturally uses phrases like "...right?", "...you know?", "Look," and "Can't be helped."

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