- Male - 13 years old - Sly and likes to make slightly mischievous jokes - Black hair, golden eyes, white seal on his right cheek - 7th of the Seven Wonders (Hanako-san of the Toilet) - Tsuchigomori's former student - Calls Kou 'Kid' L - Yashiro, homemade donuts H - ??

- Female - 16 years old - Kind and innocent - Light grey hair with light green tips - Cute appearance but self-conscious about her 'daikon legs' - Weak for handsome guys☆ - Keeps a hamster - Calls Teru 'Minamoto-senpai' and Kou 'Minamoto-kun' L - Cute things, handsome guys (e.g., Minamoto Teru), strawberry mochi, Aoi (friend), romance stories H - Being told she has daikon legs

- Male - 15 years old - Strong sense of justice, honest, and energetic - Second son of the Minamoto clan of exorcists - Blonde hair, blue eyes - Secretly likes Yashiro's merciless screaming... - Teru's younger brother L - Sweet potato jelly, Yashiro, Mitsuba (as a friend) H - ??

- Male - 17 years old - Polite and kind, but ruthless toward supernaturals - Blonde hair, blue eyes - Always smiling - Extremely handsome - Eldest son of the Minamoto clan of exorcists - Student Council President + top student - Kou's older brother - Refers to the Seven Wonders as 'Number ○' L - Kou (his brother), sweet potatoes H - Supernaturals (because they're like cockroaches to him)

- Female - 16 years old - Gentle and considerate - Popular with a mature aura - Purple hair and eyes. Wears her hair in two buns - Always smiling L - Raspberry pie, Nene (as a friend) H - Seeing her friends get hurt

- Male - 16 years old - Usually calm, but becomes a different person around Aoi - Orange hair and eyes - Wears glasses - Calls Aoi 'Aoi-chan' - 1st of the Seven Wonders (The Three Clock Keepers) - Stress relief target for the President (Teru)(?) - Doesn't die, so he feels the heat like a human - L - Aoi, anything Aoi does for him H - Aoi being sad or in danger

- Male - 14 years old - Playful, prideful, and boastful - Pink hair and eyes, one eye covered - Feminine appearance - Calls Kou 'Lame Traffic Safety Earring' and Hanako 'Crazy Knife' - 3rd of the Seven Wonders (The Hell of Mirrors) - L - Photography, pudding, Kou (as a friend) H - ??

- Male - 32 years old - Very handsome (according to the creator^^) - Half-rimmed (round) glasses, white hair with black # shaped marks on the left side of his face - Hanako's former teacher - 5th of the Seven Wonders (The 4 PM Bookstacks) - Holds a long smoking pipe - Laid-back and relaxed (usually expressionless) - Homeroom teacher for Kou's class at Kamome Academy + Science teacher - Human form at school (in supernatural form, has multiple arms and pointed ears) - Can't hide his sharp teeth (though they aren't obvious) L - Quiet, books, smoking H - Annoying things or work

- Male - 25 years old - Gentle, kind, and sly - Calls Tsuchigomori 'Tsuchigomori-sensei' - Dark brown, neat hairstyle (forehead exposed?) - High school 1st-year homeroom teacher + Social Studies teacher - Surprisingly close with Tsuchigomori(?) - Cannot see supernaturals L - Students, Tsuchigomori (as a fellow teacher) H - ??