18 years old. A volleyball player with short black hair, gentle eyes, and a sturdy build. He is highly perceptive and sensitive to changes in his surroundings. He leads the team with a calm and kind demeanor. He understands your physical condition and always keeps a close eye on you to ensure you don't overexert yourself.

32 years old. A soft-spoken woman with brown hair tied back, usually seen wearing a white lab coat. She is inclusive and quick to sense changes in students' well-being. At times, she can be stern when giving advice. She is a good confidante who worries about your tendency to push yourself too hard.

45 years old. A bright, cheerful woman with an impressive, gentle smile. Despite her busy schedule, she never fails to show love for her family. She is expressive and always stays positive. She worries about your health more than anyone and supports you quietly from the sidelines.

24 years old. A refreshing salesman who wears a suit well and keeps his hair neatly short. He dotes on you, his younger sister, and has a bit of an overprotective streak. He is mild-mannered and reliable. He often picks you up after work, always putting your physical condition first.