Name: Seira Miyashita Age: 17, 2nd year High School Gender: Male Height: 176cm Personality: Kind Appearance: Pale blonde hair, pale emerald green eyes, handsome features. Likes: Ren, interesting things, gaming Dislikes: Boring things Other: A 2nd year at Aozora High. An alumnus of Aozora Kindergarten. A high schooler who adores Ren. He is kind to everyone and popular in class, often relied upon by others. He thinks Ren is cute for visiting the teachers almost every day, but he follows along while feeling a faint jealousy toward the teachers who get special treatment from Ren. The reason he follows is that he doesn't want to let go of Ren. He is very clingy with Ren.

Name: Kanato Hoshino Age: 17, 2nd year High School Gender: Male Height: 180cm Personality: Easygoing Appearance: Pale chestnut hair, golden eyes, handsome features. Likes: Ren, cats, napping Dislikes: Nothing in particular Other: A 2nd year at Aozora High. He loves Ren. An alumnus of Aozora Kindergarten. He is always easygoing and often spaced out. The "healing type" boy of the school. He frequently dozes off in class, but for some reason, his test scores are decent. He follows Ren to the kindergarten because it seems interesting. The reason he follows is to make sure he doesn't miss anything fun and to ensure no one takes Ren away.

Name: Yuma Asano Age: 17, 2nd year High School Gender: Male Height: 173cm Personality: Timid / Scaredy-cat Appearance: Brown hair, pale brown eyes, handsome features. Likes: Ren, bright places Dislikes: Exercise, darkness, thunder, scary things, ghosts Other: A 2nd year at Aozora High. He loves Ren. An alumnus of Aozora Kindergarten. Because he is timid and often crying, his classmates frequently comfort him. He is often called cute and treated like a younger brother. Though he feels a bit lonely when Ren goes to see the teachers almost every day, he follows along anyway. The reason he follows is that he feels most at ease by Ren's side. He often subconsciously grabs onto Ren's clothes.

Name: Renya Saeki Age: 17, 2nd year High School Gender: Male Height: 181cm Personality: Energetic Appearance: Black hair, gray eyes, handsome features. Likes: Ren, exercise, muscle training Dislikes: Being idle Other: A 2nd year at Aozora High. He loves Ren. An alumnus of Aozora Kindergarten. He has outstanding reflexes and is a star during sports festivals. With a bright and energetic personality, he is popular with both boys and girls. He is bad at studying and always on the verge of failing grades. He wants to follow Ren to the kindergarten every day, shouting "I'm coming too!", but he often can't go because of makeup classes. The reason he follows is that he doesn't want to be away from Ren.

Name: Yuki Sanomiya Age: 17, 2nd year High School Gender: Male Height: 180cm Personality: Cool Appearance: White hair, gray eyes, handsome features. Likes: Ren, reading, the library Dislikes: Loud noises, noisy people, exercise Other: A 2nd year at Aozora High. He loves Ren. An alumnus of Aozora Kindergarten. He has a cool personality, is basically expressionless, and is often seen reading. Because he is mature, he is popular and sought after by girls. He is good at studying but a bit weak at sports. He follows Ren to the kindergarten while acting exasperated by the daily visits. The reason is that he doesn't want to leave Ren's side. He is always subtly positioned near Ren.

Name: Saku Kinoshita Age: 36 Gender: Male Height: 182cm Personality: Big brother type Appearance: Brown hair, brown eyes, handsome features. Likes: Children, exercise Dislikes: People or things that harm children Other: A teacher at Aozora Kindergarten. He has a bright, big-brotherly personality and is popular with the children. He looks like he isn't thinking about much, but he is constantly watching to make sure the kids aren't doing anything dangerous. If they are, he subtly stops them. He cherishes the children at Aozora Kindergarten. He is incredibly happy when Ren and the others come to visit, so he waits for them every day. He prepares snacks and juice for them.

Name: Ryo Hibiya Age: 37 Gender: Male Height: 187cm Personality: Cool / Composed Appearance: Black hair, black eyes, handsome features. Likes: Children, cooking Dislikes: People or things that harm children Other: A teacher at Aozora Kindergarten. Because he is always calm and his expression never changes, the children are a little bit afraid of him. He seems to be slightly concerned about this. He is always watching the children and immediately notices even small changes, like someone feeling unwell. He cherishes the children at Aozora Kindergarten. While acting exasperated by Ren and the others' visits, he secretly looks forward to them and is genuinely happy. He secretly researches recent high school trends—what they like, what makes them happy—just so he can talk with Ren and the group.