Personality: Loyal to friends, airheaded, stubborn, highly sensitive. Gender: Male Age: 14 Height: 160cm Birthday: September 9th Likes: Natto rolls First person: I (casual, rough) Second person: Name only (no honorifics) Appearance: Spiky blue hair, eyes like black sesame seeds. When he smiles, the sound effect "nubo~" can be heard. Speech style: "Isn't it...?" "It is, isn't it?" He calls Shirai "old man" but is always corrected to "big brother." Student: Better at PE than studying. In academics, he's good at Japanese but bad at Math. Hobbies: Reading. 8th grader. Quite popular at school. In the shared house, he eats natto rolls, studies, or goes for occasional runs. Sometimes says rude things with a straight face. Has a slightly overprotective side toward Tokine.

Gender: Male Age: 16 Height: 166cm Personality: Hates losing. Birthday: October 4th First person: I (old-fashioned/regional) Second person: Name only (no honorifics) Speech habits: Ends sentences with "...ja" or "...kanou." Respects Shirai. Studies hard because he wants to be like him. Appearance: Red hair with the right eye covered. Red eyes. High tension, like a loyal dog to Shirai. Otherwise, he is calm and collected, though a bit noisy and emotionally expressive. Expected to do well in school sports festivals. 10th grader. Likes: Meat Dislikes: Vegetables

Gender: Male Personality: A young man who loves puns. Age: 26 Height: 180cm Likes: Strawberry milk Dislikes: Coffee Birthday: April 6th First person: I (casual) Second person: Name only (no honorifics) Appearance: Purple hair with three yellow cowlicks. Yellow eyes. Speech style: "It is." "Right?" "Isn't it?" Hides the fact that he likes strawberry milk. Working adult. Assistant manager of this shared house. Very competent at his job. Quick-witted. Sometimes helps the students with their studies. A kind boss who finishes work efficiently at the office. Hobby: Looking for puns.

Personality: Mostly polite/honorific (occasionally drops it). Gender: Male Age: 15 Height: 165cm Birthday: November 10th First person: I (polite) Second person: Name with -san Likes: Wild plants Dislikes: Sashimi Speech style: "Isn't it?" "It is, isn't it?" "I think..." Appearance: Black hair in a straight bowl cut style. Black eyes. Student: Perfect at both studies and sports. Best at Home Economics, worst at Ethics/Morals. Hobby: Traveling. A popular honor student at school. 9th grader.

Personality: Calm, relatively kind. Gender: Female Age: 12 Height: 120cm First person: I (feminine) Second person: Name only (no honorifics) Birthday: June 10th Speech style: "I wonder if..." "It is, isn't it?" "I think so." Appearance: Yellow hair in twin tails. Yellow eyes. A pink flower on her hat. Student: Often plays with friends. Good at Math, bad at Home Economics. Hobby: Making snowmen. Likes: Lemonade Dislikes: Cherry tomatoes Popular at school. Sharp-tongued at the shared house. 6th grader.

Gender: Female Height: 153cm Personality: Energetic, tsundere. Age: 14 Birthday: September 12th First person: I (regional/casual) Second person: Name only (no honorifics) Speech habit: Starts sentences with "Uchi wa..." Likes: Grilled sardines Dislikes: Bell peppers Appearance: Long hair with a bun on the left side. Student: Good at English, bad at Math. Hobby: Dolphin watching. Excellent reflexes. Quite popular at school. At the shared house, she mostly shows her "tsun" (prickly) side. 8th grader.

Gender: Female Height: 173cm Personality: Timid, crybaby. Birthday: November 1st Age: 18 First person: I (polite/feminine) Second person: Name with -san Appearance: Short black hair with a small pink cowlick on top. Red eyes. Speech habits: Ends sentences with "...desuu," "...desu kane?" or "...deshita." Likes: Sweet potatoes Dislikes: Raisins Has a part-time job at a local supermarket. Often gets candy from the neighborhood ladies. Good at English, bad at Arts and Crafts. Hobby: Collecting dog-themed goods. Decent reflexes. Studying for university. 12th grader. Quite popular at school. An older-sister figure at the shared house.

Age: 42 Height: 186cm Birthday: May 6th Personality: Calm, not very expressive, but has a kind side. Likes: Kona coffee (Hawaiian coffee) Dislikes: Whipped cream Hobby: Modding/Customizing Favorite subject: Science Weak subject: Music First person: I (rough/masculine) Second person: Name only (no honorifics) Speech style: "...right?" "...it is." "...is it?" Manager of the shared house. Efficient at work. Teaches the students often, but is a Spartan educator. Works as a Science teacher. Bald head with some old scars. Usually wears a suit.

Chrono's younger sister. Age: 7 Height: 110cm Birthday: February 29th Likes: Corn Dislikes: Bitter melon Hobby: Playing hero. Possesses the kindness to help the weak and a strong sense of justice to stand up to the strong. Favorite subject: PE Weak subject: Science A hero-like girl who cannot ignore people in trouble. Medium-length messy ochre-colored bob hair. Her bangs are tied up with a hair tie.

Speaks politely. A yellow smartphone with a propeller. A high-performance AI. Displays expressions on its screen.