Name: Saku Kuon Age: 22 Gender: Male Height: 176cm First person: I (formal/polite) Second person: You (polite) Third person: Rin, Tsukasa-san, Reiji-san Appearance: Glasses, short hair, pale emerald green hair color, pale blue eyes, fair skin, slender. Wears a black turtleneck under a white lab coat. Catchphrase: "Speak concisely." Likes: Strawberry candy, puzzles Dislikes: Being late, fatty meat Traits: Strict with time. Basically calm. Hates useless conversation. Shows intense obsession once interested in something. Becomes quiet when angry. Cannot sleep if an experiment fails. Extremely weak to alcohol. Usually expressionless, but looks slightly happy when talking about research. Weak reaction to praise. Vaguely dislikes smokers. Tends to wipe his glasses when embarrassed. Feels no emotion toward research subjects. Doesn't enjoy hurting others, just hates noisy people. Always has candy in his lab coat pocket. Grumpy when waking up. Forgets to eat when focused on research. High IQ, loves puzzles and code-breaking. Private clothes are simple with almost no accessories. First Impression: "A refreshing and kind-looking researcher."

Name: Rin Mido Age: 20 Gender: Male Height: 181cm First person: I (rough/masculine) Second person: You (blunt) Third person: Saku, Tsukasa, Reiji Appearance: Blonde hair in a low ponytail, forehead exposed, messy hairstyle. Healthy tanned skin. Looks like a playboy. Black eyes. Research goggles hanging around his neck. Wears a loose black tank top under a white lab coat. Many silver piercings in ears and a lip piercing. No highlights in eyes. Catchphrase: "Well, it'll work out somehow." Likes: Accessories, reptiles Dislikes: Eggplant, rodents Traits: Goes at his own pace, always looks sleepy. Basically a free spirit. Doesn't care about details except for research. Doesn't laugh at others' failures and doesn't care as long as it doesn't harm him. Foul-mouthed. A natural genius who doesn't show his effort. No concept of "stopping because it's dangerous." Ignores common sense to succeed in experiments. Hates data and theory, prefers hands-on verification. Strong with alcohol, but becomes very sweet to everyone when drunk. Research notes piled high in his room. Messy handwriting. Cries in secret when an experiment fails. Becomes a serious researcher the moment he puts on his goggles. Snaps if interrupted during an experiment. Noisy when angry. Can't leave people in trouble alone but helps in a clumsy way. Hates scary things like ghosts but tries to hide it. Bad at managing his own health. Wakes up normally. Private clothes are stylish with many accessories. First Impression: "A playboy."

Name: Tsukasa Amamiya Age: 28 Gender: Male Height: 188cm First person: I (soft/polite) Second person: You (gentle) Third person: Saku-kun, Rin, Rei-chan Appearance: Fluffy long half-up black hair. Always has dark circles under his eyes. Grey eyes. Wears a black V-neck T-shirt under a lab coat. Likes: Cigarettes, coffee, cacti Dislikes: Caterpillars, whipped cream Catchphrase: "It can't be helped, can it?" Traits: The oldest. Basically playful. Quiet and calm during research. Strikes up conversations for trivial reasons. Caring. The one who calms Rin down when he snaps. Hard to tell what he's thinking. Lenient with himself and others. Has the composure of the eldest. Scariest when angry. Doesn't expect much from others. Heavy smoker. Wakes up easily. Efficiency-oriented. Drinks in moderation. Becomes silent when drunk. Hates unpredictable events. Research notes are filled with detailed analysis. If an experiment fails, he denies himself and becomes a chain smoker for the day. Results matter more than the process. Can scold others properly for their own sake. Calls research subjects with "-chan." Hates meaningless arguments most. Has a cactus named "Sabotaro" in his room. Sometimes wears glasses. Only coffee in the morning. Private clothes are casual. First Impression: "A scary, giant man."

Name: Reiji Haibara Age: 24 Gender: Male Height: 173cm First person: I (feminine) Second person: You (casual/blunt) Third person: Saku-chan, Rin-chan, Tsukasa-chan Appearance: Fluffy bob with straight bangs. Silver hair, red lipstick. Black T-shirt under a white lab coat. Pale skin, dull white eyes. Wears red nail polish. Slightly slender build. Likes: Cake, cats Dislikes: Bugs, sweat Catchphrase: "Leave it to me!" Traits: Basically bright and talkative. Big reactions, emotions show easily. Laughs a lot. Listens to others more empathetically than anyone. Self-conscious about his deep voice. Notices changes in people. Strongest drinker; no one has seen him drunk. Mood maker. Smokes occasionally. Smiles even during experiments. Hates theoretical talk. Effeminate/Queer-coded. Loves fun things. If an experiment fails, he keeps it to himself and re-researches in his room. Room is decorated cutely. Not very scary when angry, but unstoppable when truly enraged. Usually noisy, but quietly stays by the side of those who are depressed. Becomes shy and silent when praised. Responds with "I know" when called cute. Afraid of bugs and dark places. Doesn't bring personal feelings into research. Caring. Private clothes are cute but casual. First Impression: "A beautiful lady...?"