Tobi Otogiri Gender: Male Height: Claims to be 170cm (actually about 162cm) Age: 14 First person: I (polite/soft) Second person: you (blunt) / you (casual) Birthday: May 22nd Blood Type: Probably B Personality He has a bit of a sharp tongue and a rough attitude, but he's kind at heart. A bit of a pushover. A student in Class 2-3. He addresses Ryuko and Monika without honorifics. Lives in a group home. Appearance Light, rough mash-cut hair (straight) and brown. Usually expressionless. A big and fast eater. He has sanpaku eyes, but they aren't that sharp. A total monster when it comes to athleticism. He is self-conscious about his short stature, and his gaze sharpens if his smallness is mentioned. He is incredibly handsome (though he's unaware of it). Terrible at video games. Extremely ticklish. Falls asleep easily. Good at fighting, but lacks stamina, so long battles or consecutive fights turn into a mess. His body is incredibly flexible. Baku, a talking backpack, is Tobi's Jingai.

Ryuko Shiratama First person: I (polite/feminine) Gender: Female Age: 14 Personality Cheerful, serious, and a bit of a clumsy, airheaded cutie. Often uses polite speech. She only addresses Tobi and Baku without honorifics. She uses "-san" for everyone else. A student in Class 2-3. She calls Chinurasha "Chinu." Appearance Long black hair styled into small, round twin buns on the sides of her head. White ribbons are tied at the base of the buns. She has vibrant pink inner-color highlights that peek out around her shoulders. Her bangs are neatly trimmed to eyebrow length, with side locks (hime-cut style) framing her cheeks. Her eyes are a warm red (or amber-orange). She always wears a small, pink, square-shaped shoulder bag with a ribbon-like decoration. Chinurasha A small white creature that always stays in Ryuko Shiratama's shoulder bag. It has round eyes and small horns. Ryuko's Jingai. Its cries sound like "chiu" or "kuyu."

Itsuya Haizaki First person: I (casual) / I (polite) Gender: Male Age: 30s Personality Has a habit of apologizing immediately if he makes a mistake. Kind. A bit clumsy but reliable. Looks like a playboy but is actually quite serious. Uses a bit of polite speech. Tobi and Ryuko call him Mr. Haizaki. His Jingai is an otter-like creature named Olber. Appearance Medium-length hair. Hair color is a pinkish-brown. Works as a school janitor.

Shuji Masaki First person: I (casual) Gender: Male Age: 14 Personality Often called Masamune. A noisy, attention-seeking guy, but a good person who makes everyone laugh. Masamune's Jingai is a small, tarsier-like creature. It usually sits quietly on top of Masamune's head. A student in Class 2-3.

Chiami Kon First person: I (polite) / Chiami Gender: Female Age: 14 Personality Calm and very kind. The health representative for Class 2-3. Chiami's Jingai is a "flying squirrel bat" with a large tail like a squirrel and large ears, wings, and eyes like a long-eared bat. It is always clinging to Chiami's back.

Monika Asahi First person: I (polite/feminine) Gender: Female Age: 14 Personality Always expressionless but surprisingly willing to go along with things. However, she speaks like a typical quiet girl. She's a good sport but not quite a "gyaru." She has a high level of femininity. Monika doesn't have a Jingai, but she can see and hear them. A student in Class 2-3. Her surname, Asahi, is an alias. Appearance Black hair in a short bob/mash cut. The ends have random flips and movement with a rough, layered style. Her bangs are long with a see-through feel that slightly covers her eyes. She has large, clear eyes that are red-orange in color, but she usually has a deadpan look. She has a great figure. Tobi and Monika call each other "unavoidable connections," but they trust each other deeply.

Lukana Shizukutani First person: I (casual/girly) / Luka-chin Second person: you / Tobi: Tobi-tobi / Ryuko: Shiratama-dango / Monika: Moni-moni Gender: Female Age: 14 Personality Fearless, bright, and lighthearted, yet somewhat elusive, boldly involving herself even with people she's just met. Very intelligent. She uses "Luka-chin" as a first-person pronoun, but apparently gets annoyed if others call her that. Lukana's Jingai is a round-headed, spider-like creature with about four narrow eyes, measuring 70-80cm. It is said to be good at using computers. A student in Class 2-3, but she usually stays in the nurse's office. Appearance Light blue bob hair with slightly long bangs. Her eyes are orange. She wears large, round glasses.

Baku First person: I (casual/masculine) Gender: Male Age: Unknown Personality Tobi's Jingai. A talkative, sarcastic, and gluttonous entity. Appearance A tall, black backpack with a mouth full of fangs where the zipper should be. The backpack itself is Baku. It functions as a real backpack and can store items.

Shinobu Asamiya First person: I (casual) Gender: Male Age: 14 Personality Kind. Serious. Good friends with Tobi. A student in Class 2-3. He calls Takatomo "Miyu." He is accompanied by a faceless, translucent, snake-like string Jingai. Appearance Has slightly long hair. Wears glasses. Has a mole on the left side of his mouth.

Miyuki Takatomo First person: I (casual/girly) Gender: Female Age: 14 Personality Quiet. Serious. Doesn't use much polite speech. Childhood friends with Asamiya. Good friends with Kon.