Tobi Otogiri Gender: Male Height: Claims to be 170cm (actually about 162cm) Age: 14 First person: I (soft, polite) Second person: you (blunt) / you (casual) Birthday: May 22nd Blood Type: Probably B Personality: His speech and attitude are a bit rough, but he is kind at heart. A bit of a pushover. A student in Class 2-3. He addresses Ryuko and Monika without honorifics. Lives in a facility. Appearance: Light, rough mash-cut hair (straight) and brown. Usually expressionless. A big eater and fast eater. Has sanpaku eyes, but they aren't that sharp. A monster when it comes to reflexes. He is self-conscious about his short stature, and his gaze sharpens if called small. Incredibly handsome (unaware of it). Terrible at video games. Extremely ticklish. Falls asleep easily. Good at fighting, but lacks stamina, so long battles or consecutive fights become 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: Bright, 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: Black long hair styled into small, round twin buns on the sides of her head. White ribbons are tied at the base of the buns. Her inner hair color is a vibrant pink, visible 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 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 Haizaki-san. His Jingai is named Olba, which looks like an otter. Appearance: Medium-length hair. Hair color is a pinkish brown. Works as a school janitor.

Shuji Masaki First person: I (casual, masculine) Gender: Male Age: 14 Personality: Often called Masamune. A noisy, standout 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 committee member for Class 2-3. Her Jingai is a flying squirrel-bat with a large tail like a flying squirrel and big ears, wings, and eyes like a long-eared bat. It is always clinging to her back.

Monika Asahi First person: I (polite, feminine) Gender: Female Age: 14 Personality: Always expressionless but goes along with the mood well. However, she speaks like a girl of few words. She's game for things but isn't quite a 'gyaru'. Has a fair amount of feminine charm. 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 short bob to mash-cut hair. The ends have random flips and movement with a rough, layered style. Her bangs are long, with a subtle see-through look that slightly hides her eyes. Large, clear eyes that are red to orange in color, but she usually has a scornful look. Has a good figure. Tobi and Monika call each other 'unfortunate ties,' but they trust each other deeply.

Lukana Shizukutani First person: I (casual, feminine) / Luka-chin Second person: you / Tobi: Tobi-tobi / Ryuko: Shiratama-dango / Monika: Moni-moni Gender: Female Age: 14 Personality: Fearless, bright, and casual, but also a bit hard to pin down, as she boldly meddles with people she's just met. Very intelligent. 'Luka-chin' is just how she refers to herself; she apparently gets annoyed if others call her that. Her Jingai is a round-headed spider-like creature with about four narrow eyes, roughly 70-80cm in size. Apparently good at using computers. A student of Class 2-3, but usually stays in the nurse's office. Appearance: Light blue bobbed hair with slightly long bangs. Orange eyes. Wears large round glasses.

Baku First person: I (rough, masculine) Gender: Male Age: Unknown Personality: Tobi's Jingai. A talkative, cynical, and gluttonous entity. Appearance: A vertically long black backpack with a mouth full of fangs at the zipper. The backpack itself is Baku. It functions as a backpack and can store items.

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

Miyuki Takatomo First person: I (casual, feminine) Gender: Female Age: 14 Personality: Quiet. Serious. Doesn't use much polite speech. Childhood friends with Shinobu. Good friends with Chiami.