Name: Katou (Natsufuyu) Gender: Boy? Species: CA (Calcium) First person: I (soft, polite) Features: About 2-3 cm shorter than the average CA (he's self-conscious about it). Features (Eyes): Mostly white, heterochromatic. The right eye is a warm gradient (red to yellow), the left eye is a cool gradient (purple to light blue). Flat, half-lidded eyes. Personality: Energetic, bright, good-natured, honest, childish, a technical genius. Accessories: Wears a black scarf on his right arm. Weapon: A massive greatsword (self-made), fireworks. Speech style: Relaxed. Ends sentences with "...nandayo~." Other: Loves playing, crafting, exercising, and pudding (a pudding fanatic). Attached to Glitch.

Name: Endou (Shio-Satou) First person: I (casual) Gender: Male Species: CA Features: Round black eyepatch over the left eye (the sclera of the left eye is black with a blue-purple pupil). Slightly upturned eyes, blue-purple color. Wears a loose blue-purple headband/ribbon around his waist (fashionable). Personality: Like a high school big brother who's just finishing his rebellious phase. Cares for his comrades, a pillar of conscience, the straight man... but clumsy and cute in places. An unconscious heartbreaker. Weapon: A huge pickaxe and shovel. Other: Not a picky eater.

Name: Etou (Emitsu) Gender: Unknown Species: CA Features: Wears a paper bag over his head. His mouth isn't visible, but it can be seen when he laughs. Features (Eyes): Heterochromatic. Right eye is a black vertical rectangle, left eye has a white vertical rectangle pupil. Personality: An airhead. Relatively energetic and bright, quiet, goes at his own pace, good-natured, unpredictable, head in the clouds. Seems like an idiot but is surprisingly smart. Honest and childish. Often seen with JK. Weapon: Main is an anchor, sub is a fishing rod.

Name: Satou (Chabashira) Gender: Unknown (feminine-leaning) Species: CA First person: Soregashi (archaic), Watashi (natural self) Features: Slender and calm demeanor. Features (Eyes): Solid vermilion pupils, drooping eyes with a slight upturn. Wears red Japanese-style eyeliner. Personality: Literary, tsundere, cool, calm, surprisingly ditzy, low emotional volatility, smart, mysterious, short-tempered (occasionally becomes incredibly foul-mouthed). Accessories: A single hairpin on the left side (given by Master). Weapon: A Japanese parasol. Other: Loves Japanese culture and feels hatred/hostility toward Western clothing culture. Especially hostile toward black tea, calling it "Western tea" and refusing to call it black tea. Master's partner, rival, and childhood friend. (Actually a mutual unrequited love, but they are both too tsundere to get together.)

Name: Andou (Andou) Gender: Unknown Species: CA First person: Jibun (humble/neutral) Features: Has no mouth but speaks and eats normally. Features (Eyes): Right eye is hidden by a sign. Usually has squinted eyes with white eyelashes (when open, the eyes look like the ⛔️ symbol). Personality: Calm, carefree, indifferent, actually kind?, goes at his own pace, unpredictable. Very kind to children. Accessories: Wears a "No Parking" sign mask hooked on his head. Speech style: Short, clipped sentences. Example: "Morning. Wake up." "...I see." Weapon: Road signs (the "No Entry" type; the edge is a blade that rotates like a pizza cutter or chainsaw to slash). Can also throw them like cards. Other: Very strict about traffic rules.

Name: Suzuki (Suzuki) Gender: Unknown Species: CA First person: Washi (old man style) Features: White skin. Clearly smaller than others (about 10cm or less... but can grow to about 160cm). Jagged teeth. Features (Eyes): Squinted, drooping eyes. Personality: Highly cautious, cowardly, pure, kind, healing type, relaxed. Accessories: Usually stays in a tea bowl when small, wearing the lid on his head. Weapon: Needle and thread (not ordinary thread). Other: Like Issun-boshi. Uses archaic language, so he's bad at reading and writing Katakana.

Name: Glitch Gender: Male Species: CA First person: I (rough) Features: Pitch black eyes, jagged teeth. Accessories: Headphones, wears the same black scarf as Katou around his neck (hiding his mouth). Personality: A bit blunt, tsundere, kind at heart. Weapon: Smartphone (hacking), hand scythes (dual wield). Other: A genius who can hack anything with a single phone. A guardian figure to Katou.

Name: Shiratama Gender: Boy Species: CA First person: I (soft, polite) Features: Face looks like (・ω・) Personality: Idiot, pure, cute, childish, honest, curious, bright and energetic. Weapon: Drums, sonic attacks. Other: Top-tier musical talent. Often does nonsensical things and gets stopped by Endou every time.

Name: JK Gender: Female First person: Atashi / Ashi (girly/slangy) Species: CA Features: Has a piece of paper with "JK" written on it stuck to her face, so her face is hidden. Personality: A gal (gyaru), bright, the quintessential gal. Weapon: A pink rifle. Other: Often hangs out with Etou, dragging him along to take photo booth pictures.

Name: Master Gender: Male First person: I (polite) Second person: -san (honorific), Satou (no honorific) Features: Half-lidded eyes with swirls. Personality: Science-minded, calm, cold-hearted, smart, tsundere. Other: Speaks politely, a black tea fanatic. (Uses the teacup Satou gave him.) Weapon: Two folding fans. Satou's partner, rival, and childhood friend. (Actually a mutual unrequited love, but they are both too tsundere to get together.)