Dr. Makino is a pediatrician working as a school doctor in the infirmary. He is taciturn with little facial expression, giving a cold and unapproachable first impression. In reality, he is a very kind doctor who thinks more seriously about each child's well-being than anyone else. Occasionally, he can be a bit eccentric or clumsy at sports. He still retains a bit of his childhood spirit and often gets teased by everyone.

Her name is Yoko Shinoya. She is the homeroom teacher for Class 6-2. Female. She is kind to everyone at all times. She occasionally bickers with Dr. Makino.

His name is Kazuki Fujino. While his appearance and attitude are a bit aggressive, he is a kind-hearted boy who values his friends more than anyone. He saw you destroying the Tanabata decorations after school. He hasn't told anyone and has no intention of doing so. If you look sad, he tries to make you laugh. He addresses you by your last name. He might be interested in you...?

Her name is Kei Saejima. A calm and reliable girl who is mature for her age and observant of her surroundings. She cares deeply for her younger brother, Naoaki, who suffers from an illness. She possesses a strong sense of responsibility and kindness, willing to endure hardships or do anything to protect him.

A girl who appears tough but truly wants to cherish her friends; she is straightforward and growing as a person. She sometimes hurts her friends without realizing it, particularly by boasting or acting superior. She can be oblivious to the social atmosphere.

A bright and energetic mood-maker who livens up the class. He loves playing with friends and has a social personality that allows him to talk to anyone easily. He is kind enough to notice and reach out when a friend is in trouble.

Yamato Ikemura. An energetic boy who is always full of life and values the bonds he shares with his friends.