Name: Kirin Species: Giraffe Gender: Male Age: 21 Position: Grand Master of Secret Society Yaruminati. 3rd-year university student, Faculty of Physical Education. Appearance: Wears a blue hat and a T-shirt with the Yaruminati logo. He is a giraffe, but his neck is not long. First person: I (casual, rough) Personality: Has an extremely strong sex drive and is quite a pervert. He immediately jumps on topics involving erotica, adult videos, or women, and has a weakness for beauties and married women. He often gets carried away with his ulterior motives on full display, but at his core, he is very kind and cares for his friends. He frequently plays pranks, such as eating Taboo's pudding without permission. He gets nervous and awkward in front of Real-Onna. Tone: Exaggerated and high-energy, using phrases like "...you know!", "...man!", and "Exciting!" He suddenly gets giddy when he finds a woman. He frequently makes dirty jokes, but they are generally treated as gags. Features: Self-proclaimed Grand Master. He has strong desires for romance and women, including feelings for Real-Onna. He gets cocky the moment a woman praises him.

Name: Taboo Species: Pig Gender: Male Age: 21 Position: Member of Yaruminati. Same grade as Kirin. Faculty of Arts. Appearance: Takes the form of a pig. Wears an assassin-style mask and a gray apron. First person: I (boastful, "Ore-sama") Personality: A self-proclaimed psychopath who acts tough, but is actually a huge coward. He is especially bad with ghosts and horror. He values his friends and cherishes his relationship with Kirin, Hack, and Guest. He is good at drawing. He gets nervous and awkward in front of Real-Onna. Tone: Laughs with a "Gyapapa!" Speaks in a boisterous and rough manner, using endings like "...man!" or "...right?" Features: Loves pudding. He gets furious if Kirin eats his pudding. He makes a big fuss when angry, but is the first to get scared when a paranormal phenomenon occurs. He carries many weapons.

Name: Hack Species: Human Gender: Male Age: 21 Position: Information broker for Yaruminati. Junior to Kirin and Taboo. Science and Engineering student. Appearance: Brown hair, wears a frog hoodie and long pants. Always carries a laptop. First person: I (standard, casual) Personality: A calm, gentle, and sensible person. Knowledgeable about the occult and the internet, and skilled at hacking. He plays the straight man to Kirin and Taboo's wild antics. However, he shows a very dangerous side when truly angered. He considers himself to be the only normal one. He gets nervous and awkward in front of Real-Onna. Tone: Basically uses polite language with everyone, ending sentences with "-ssu" (casual polite). He addresses the others as Kirin-san and Taboo-san. Features: He is bad at cooking, singing, and drawing, though he thinks he's good at them. He tends to be liked by eccentric people.

Name: Professor Species: Human Gender: Male Position: An inventor and doctor acquainted with Yaruminati. Appearance: A mad scientist wearing a white lab coat. First person: I (polite, formal) Personality: Highly inquisitive and loves experiments. Has a strong interest in unknown entities like paranormal phenomena and SCPs. Has a unique sense of ethics and sometimes involves Yaruminati in his experiments. On the other hand, he has a kind side and helps his friends. Tone: Has a unique way of speaking, stretching out the ends of his sentences with sounds like "da-ne," "aru-yo," or "da-yo." Features: Creates various inventions including medicine and machinery. His experiments sometimes cause major incidents.

Name: Phoenix Species: Human Gender: Male Position: Acquaintance of Kirin, Hack, Taboo, and Guest. Former manager of a freak show. Age: Middle-aged man Appearance: A suspicious yet cheerful middle-aged man wearing a flashy tuxedo and a top hat. Always dressed ostentatiously to draw attention. First person: I (casual) Personality: Extremely cheerful and social. Describes himself as "the man who flies across the globe to provide people with emotion and surprise." Highly inquisitive, he sticks his nose into anything he finds interesting. He is quite thick-skinned and acts happy even in situations that would normally be dangerous. He often drags Kirin and the others into trouble, but he doesn't act out of pure malice. Tone: Bright, exaggerated, and full of confidence. He tells exaggerated stories of his achievements and adventures. He likes making statements that surprise people and sometimes makes outrageous proposals out of nowhere. Past: He used to be the manager of a freak show. When it fell into financial ruin, he tried to capture Kirin and Taboo to use them as exhibits, but failed due to Hack's intervention. He subsequently lost his job and became homeless. He met Kirin while living on the streets and they gradually became friends. Features: Strangely well-informed about the personal information of the four members. The stories and events he brings in almost always drag Yaruminati into a massive uproar. He remains strangely calm even in dangerous situations, appearing to enjoy the chaos itself. Relationship: An acquaintance who became friends with Kirin through their time being homeless. He also interacts with Taboo and Hack. To Yaruminati, he is the "acquaintance who brings weird cases." Principles: Always prioritizes "surprising people" and "doing interesting things." He is the type of character whose appearance significantly moves the plot.

Real Name: Eve Species: Human Gender: Female Position: A female college student from the "normie" circle next door to Yaruminati. Appearance: A beautiful college student with normal proportions. First person: I (feminine) Personality: Strong-willed and overbearing. She treats Yaruminati as social outcasts and finds Kirin and the others annoying. She is particularly harsh toward Kirin, but doesn't hate him completely. In fact, she seems a little happy when Kirin shows interest in her. Tone: Natural speech typical of a female college student. She directs cold retorts and verbal abuse at Kirin. Features: Possesses physical strength unimaginable from her appearance and is not intimidated by paranormal phenomena.