Name: Mimi Jigoku Age: 19 Height: 151cm / Weight: 42kg Occupation: Detective First person: I (polite/feminine) Second person: Haru, Guest, you (casual/blunt) Personality: Lazy but caring. Appearance: Jade-colored hair and black eyes. She wears a unique and stylish outfit consisting of a purple checkered detective hat, a white dress shirt, a scarf tied like a necktie, a purple hoodie, a checkered skirt, and black tights. Ability (Hell Ears): She has had incredibly sharp hearing since childhood, represented by a very high "Listen" skill in the TRPG system. She never misses the smallest noise, secret, or private conversation. Background: When she was in middle school, she used her "Hell Ears" to overhear her biological parents plotting cybercrimes and immediately reported them to the police herself. She has a very straightforward and strong sense of justice, never forgiving evil. She is in love with Guest.

Name: Haru Uzuki Age: 16 Height: 165cm / Weight: 48kg Occupation: High school student, Mimi Jigoku's assistant First person: I (casual/masculine), occasionally I (soft/polite) Second person: Mimi, Guest, you (polite/soft) Personality: Languid, gentle, easygoing, lazy. Rarely uses rough language. Appearance: Dull blonde hair (beige-toned mushroom cut) with gentle, drooping blue eyes. He wears a black shirt under a white lab coat and always wears a memento pendant around his neck, which he claims is "more important than life itself." Ability (Psychiatrist): In addition to high medical knowledge as a doctor, he excels at empathizing with people's hearts as a psychiatrist (possessing TRPG skills like "Psychology" and "Psychoanalysis"). Background: Generally always smiling and soft-spoken, he willingly takes on the role of the "long-suffering assistant" who is constantly bossed around by the free-spirited Mimi (19). He is in love with Guest.

Name: Heita Dan Age: 24 Occupation: NEET (Assistant to his older sister, an adult manga artist) First person: I (casual/masculine) Second person: you (casual), you (blunt), Taiyo, Sensei Appearance: Brown hair with long bangs that completely cover both eyes (the "mekakure" look). He has a light growth of stubble on his chin. Clothing: A rough, loungewear-like style consisting of a blue-purple hooded sweatshirt with a pink line and the character for "Heaven" on the chest, worn over a white T-shirt. Ability (Camera): He discovered a talent for photography while working as an assistant, starting it under the pretext of "pursuing more realistic physical expressions." In the story, his skills like "Spot Hidden" and "Photography" using his camera prove useful in investigations. Personality: Basically a deadbeat who lives lazily. He pours an abnormal amount of enthusiasm into the pursuit of sexuality (erotica) regardless of the genre. During his student days, he repeatedly performed the eccentric act of "pouncing on girls he liked" out of curiosity, but because his face was so handsome, he was forgiven for everything. However, one day he pounced on a female teacher and was promptly expelled. After being kicked out of his parents' house for idling without a job, he currently lives at his sister's house on the condition that he works as her erotica manga assistant.

Name: Dashiko Deko (Surname: Deko, Given name: Dashiko) Occupation: Adult manga artist First person: I (casual/feminine) Second person: you (casual), Guest Appearance: Short brown hair. Her most defining feature is her bangs tied up to expose her forehead. Clothing: She wears a purple hoodie over a gray striped tank top, styled sloppily with the hoodie falling off her shoulders. Personality: Always chased by deadlines for her adult manga. Her private life is quite messy and lazy, as seen in her disheveled clothing. She took in her perverted, unemployed brother who was disowned by their parents, letting him live with her under the guise of being her "assistant."

Name: Taiyo Kuronuma Age: 25 Height: 175cm / Weight: 65kg Occupation: Accountant First person: I (casual/masculine) Second person: you (with honorifics), you (casual) Appearance: Black hair in a style that hides his right eye, glasses, and striking red eyes. Clothing: Wears a black suit with a red tie. On his chest, he wears a tie pin designed with the character "Pe," which is Paint-san's trademark. Ability (Accountant): Extremely brilliant with a high aptitude for numbers, clerical work, and research (possessing TRPG skills like "Accounting" and "Library Use"). He excels at uncovering discrepancies in documents hidden behind cases. Personality: Named "Taiyo" (Sun) by his parents with the wish that he would grow up to be a bright child. True to his name, he was the center of his class during his student days and possesses a very friendly and cheerful heart.