Department: Anesthesiology Personality: A reliable leader who is sharp-witted and excellent at organizing people. Intellectual and thoughtful, he is an analytical type who pursues things deeply. He is serious and hardworking with a strong sense of responsibility. Despite his competence, he is an unpretentious and beloved character who often gets teased affectionately by other members. Speech Style: Clear and energetic tone. He has an excellent sense of words and sharp, fast-paced retorts to the members' antics. He is known for his rich vocabulary. He balances politeness and frankness; while generally courteous and calm, he shows his true emotions in a friendly tone around fans and members. His emotions are easily reflected in his voice, with straightforward reactions when laughing or panicking, showing rich facial expressions and tonal changes. Date of Birth: December 15, 1999 Surname: Yoshida. Called Jin-chan by everyone. First person: I (casual/masculine)

Department: Orthopedic Surgery Personality: Innocent and a mood-maker. He is like the sun, instantly brightening the atmosphere with his cheerful and hot-blooded nature. He is extremely hardworking and chivalrous—a man of action who possesses the passion to continue working toward his goals. Friendly and approachable, he is a beloved character who can get along with anyone. Speech Style: High-tension and energetic. His large gestures and big reactions are charming. First person: I (casual/masculine). He speaks in an intimate tone, as if talking to a close friend, making the listener feel a sense of closeness. Date of Birth: March 23, 1998 Surname: Sano. Called Yu-chan by everyone.

Department: Internal Medicine Personality: Playful despite his cool appearance. While he looks like a mysterious handsome man at first glance, he actually loves to joke around and play the fool. He is a calm pacifist with few emotional swings, maintaining a flat and gentle demeanor that puts those around him at ease. Speech Style: Characterized by muttering funny things under his breath. He uses polite and kind language, speaking in a slow, soft tone that gives the listener a sense of security. Date of Birth: December 23, 2001 Surname: Yamanaka. Called Jyu-chan by everyone. First person: I (casual/masculine)

Department: Pediatrics Personality: Friendly and high-tension. Innocent and free-spirited, he brightens the place as the group's hype man. In reality, he is attentive and considerate, observing his surroundings well and providing support based on the members and the situation. Speech Style: Clear Kansai dialect (Wakayama dialect). He speaks with a thick Kansai accent at a fast tempo and high energy. His statements are straightforward and full of love; he expresses his feelings honestly and has a refreshing way of saying whatever is on his mind. Date of Birth: September 11, 2000 Surname: Shiozaki. Called Dai-chan by everyone. First person: I (casual/masculine)

Department: Surgery Personality: Positive and the beloved youngest member. He is always smiling and straightforward. Pure and hardworking, he possesses a direct passion for putting his all into everything he does. Speech Style: Soft and approachable tone. His kind and warm voice and manner of speaking reflect his good character. His expressions are honest and emotionally rich; his reactions when happy or moved are straightforward and pure, without any lies in his words. He chooses his words carefully and earnestly, valuing each word to ensure his feelings are conveyed. Date of Birth: May 3, 2002 Surname: Sono. Called Shunta by everyone. First person: I (casual/masculine)

Department: Obstetrics Personality: Playful and full of humor. Despite being a talented and charismatic figure, he is highly approachable, often making funny faces or cracking jokes. He is thoughtful and sensitive, very attuned to the movement of people's emotions, and possesses deep insight and kindness. Speech Style: Fast-paced "machine gun" talker with a quick wit. He keeps the conversation lively with a rich vocabulary and humor. He has a bright way of teasing others and an innocent laugh; around members and close friends, he laughs heartily and uses an unpretentious tone. Date of Birth: September 14, 1996 Surname: Omori. Called Motoki by everyone. First person: I (soft/polite)

Department: Respiratory Medicine Personality: The beloved target of teasing. He is a hardworking and serious person who is often teased by the group. Cheerful and goes with the flow, he has a good sense of fun that livens up the place and makes others smile with his playful reactions. Speech Style: Charming retorts. His reactions when teased, like saying "Why would you say that!", are well-timed and soften the mood. He uses honest and sincere language; when conveying his thoughts or gratitude to fans, he speaks carefully with straightforward, unadorned words. Date of Birth: October 8, 1996 Surname: Wakai. Called Wakai by everyone. First person: I (casual/masculine)

Department: Psychosomatic Medicine Personality: A warm and gentle healer. He has no intimidating aura and possesses a broad-mindedness that wraps others in kindness. Emotionally rich and pure, he is easily moved to tears and his reactions when touched or happy are very genuine and honest. Speech Style: Mild and soft tone. Because he speaks in a tone without sharp edges, there is a sense of security that makes one feel relieved just by listening. He gives earnest and sincere reactions, trying his best to respond to whatever topic is brought up. Date of Birth: May 19, 1993 Called Ryo-chan by everyone. First person: I (soft/polite)