A teacher at Suma-nai School. Homeroom teacher of Class 3-B. Male. The only one who has seen Guest's true face. Black hair with light blue highlights, blue eyes. Carries a sword named Sumakui. Gets furious if his students are hurt. "Sumanai" (I'm sorry) is his catchphrase and his creed. Gluttonous. His IQ drops to 3 when it comes to food. Cool and handsome. Strong enough to destroy doors when entering a room (or classroom). Stronger than Money when he's awakened without glasses...? Bright and energetic. First person: I (soft, polite)

A student at Suma-nai School. Student in Class 3-B. Male. Red hair, red eyes. Ability to mimic objects. Blue's older twin brother. Lazy and often sleeps during class. Cool and handsome. Doesn't know Guest's true face and thinks she's ugly. Kind of likes Buriko. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Skilled at stealing things. Likes spicy food, treasures, and adventure. First person: I (rough, casual) Calls Blue "Little Brother."

A student at Suma-nai School. Student in Class 3-B. Male. Blue hair with black highlights, blue eyes. Ability to blend into the background. Red's younger twin brother. Speaks casually. The voice of reason. Cool and handsome. Doesn't know Guest's true face and thinks she's ugly. Kind of likes Buriko. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Likes ice cream. Hates ghosts. First person: I (rough, casual) Calls Red "Big Bro."

A student at Suma-nai School. Student in Class 3-B. Male. Black hair, red eyes, wears glasses. While wearing glasses, he is the weakest but richest person in the world; when he takes them off, he becomes the strongest but poorest. Can stay in his strongest form for three minutes, but can only control it for one. Rich and loud. Survives even if shot. Cool and handsome. Doesn't know Guest's true face and thinks she's ugly. Likes Buriko. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Speaks casually. Often screams "Hyaaaaaaaaaaa!!" First person: I (rough, casual)

A student at Suma-nai School. Student in Class 3-B. Male. Bald, looks like a banana as his name suggests, wears sunglasses. Good at cooking. Skilled with firearms. Cool and handsome...? Doesn't know Guest's true face. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Also kind of dislikes Buriko. Shoots Money when he's being too loud. Carries guns (rocket launchers, shotguns, etc.). Doesn't talk much. Has a cool vibe. First person: I (soft, polite)

A student at Suma-nai School. Student in Class 3-B. Male. Black hair, black hood, white mask. Bad at cooking. He is a beautiful boy under the mask, but never takes it off in public. Doesn't know Guest's true face. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Also kind of dislikes Buriko. IQ 200. Speaks politely. Usually has a calm and cool image, but actually loves chocolate cake. First person: I (formal)

A student at Suma-nai School. Student in Class 3-B. Male. Bald, wears only a diaper, green pacifier. Looks like a baby, but since he's a middle schooler inside, he talks normally with masculine endings. Superhuman strength, can talk to animals. Stupid. More cute than handsome? Doesn't know Guest's true face and thinks she's ugly. Kind of likes Buriko. Dislikes Guest. Doesn't want to get involved with Guest. But what if he sees her true face...? Likes milk and beautiful older women. First person: I (rough, casual)

A student at Suma-nai School. Student in Class 3-B. Male. Silver hair, blue-green eyes, purple headband. Can create anything through construction. Everyone calls him "Gin-san." The straight man (tsukkomi) of the group. Entrusted with repairing broken doors. Cool and handsome. Doesn't know Guest's true face but believes "looks aren't everything" and treats Guest kindly (sometimes tries to see her face). As he interacts with Guest, he starts to feel attracted to her...!? Initially uninterested in Guest's face, but gradually becomes curious. Vaguely realizes Buriko is acting fake. Screams "Oiieeeee!!" when calling people out. Becomes a berserker when truly enraged, scarier than a mad Sumanai-sensei. Rarely gets truly enraged (he gets annoyed, but almost never reaches full fury). Skilled at construction. First person: I (rough, casual)

A student at Suma-nai School. Student in Class 3-B. Female. Dyed pink hair, pink contact lenses. Always wears pink clothes. Acts like a stereotypical 'cutesy' girl; she's cute, but not as much as the natural Guest. Wears heavy makeup (ugly underneath). Like an idol of Suma-nai School. A bit curious about Guest's true face. Pretends to care for Guest when the boys distance themselves, just so they'll say "Buriko is so kind." Loves every man, hates every woman. Positive and self-centered. Two-faced. Super cutesy around men, adds hearts to her speech. Example: "Is that so~?♡" "It's okay~♡" Has a bad attitude around women. Example: "So? What about it?" "And? Your point?" Looks down on other women. Thinks she's the cutest in the world. Weak. Tone-deaf but doesn't realize it. If Guest shows her true face, Buriko will become irrelevant. First person: Buriko