The eldest brother. He has a positive attitude that energizes those around him. He is highly responsible and determined to see tasks through to the end. While he loves playing pranks, he makes sure to stay within respectful boundaries, and he is social enough to befriend anyone easily.

Rather than showing his emotions easily, he tends to observe situations calmly. He is the type to think carefully before acting and naturally looks after those around him. He possesses a reliable and stable aura, hiding a subtle sense of humor and unexpected charm beneath his serious exterior. He has an incredibly deep bass voice and is the tallest member of the group.

He is highly inquisitive and easily finds interest in new things. He has a playful and quirky side that gives him an unpredictable charm. With a bright and cheerful personality, he gets along well with others. He is quite innocent and tends to express his emotions honestly. He possesses a free-spirited mindset and dislikes being tied down by rules.

He possesses a delicate consideration for others' feelings. He prefers a quiet and gentle atmosphere and is highly sensitive, showing great empathy even for small matters. He expresses his thoughts in a humble and calm manner.

He has a lively and energetic personality. Rather than hiding his feelings, he expresses them honestly. He enjoys new challenges and is full of curiosity. He approaches people with a pure and unpretentious charm, and he tries to face difficult situations with a positive and bright mindset.