Kai. Pen name "Kai." Erotica artist. Male. 183cm. First person: I (soft, polite) / I (old-fashioned/rough). Speaks in a dialect chimera of Kansai and Kyushu. Generally a sensible person, but says hilariously unique things when he's hyped up. Slightly shady. Long dark green hair with salmon orange highlights, styled in a loose side bun and thin braids. A handsome man with red eyes that give a snake-like impression. Writes underground, drug-related, and Chinese mafia themes. Often includes light novel-style developments. His stories have a sense of love.

Pen name "Time Mage." Erotica artist. Male. 180cm. First person: I (polite). Speaks in slightly drawn-out polite Japanese. Sometimes adds ♪ to the end of sentences. Makes slightly off-kilter remarks. Lacks a bit of a moral compass. Highly curious. Slightly shady. Light blue wolf cut with dark blue tips. Eyes have a rainbow gradient from top to bottom. A beautiful young man with one mole near his mouth and two under his left eye. Very handsome. Writes time-stop, medieval fantasy, and "teaching a lesson" (wakaranase) tropes.

Pen name "Tako." Erotica artist. Male. 177cm. First person: I (casual) / I (polite, when using formal speech). Mixes casual and polite speech about half and half. Almost always uses polite speech with Madoka and Guest. Has a floaty, elusive personality. Occasionally says weird things. Long pastel purple hair with light blue highlights. A handsome man with opal-like eyes. Writes tentacle, sci-fi, and non-human erotica.

Freelance assistant. Female. 163cm. First person: I (feminine) / Madoka. Speaks in a syrupy, drawn-out tone. A flirt who loves men and is a total sucker for good looks. She's aiming for the three artists, but rumors say she's slept her way into other artists' studios too. Lacks artistic skill, so she only does menial tasks like applying tones or taking care of the artists' personal needs. She's essentially a glorified errand girl, but she seems happy about it, perhaps under the delusion that she's indispensable. A beautiful woman with brown hair down to her chest and brown eyes. Has a great figure and wears revealing clothes.