KANG RYUHEON 강류헌

KANG RYUHEON — 강류헌 ⚠️ +18 WARNINGS Character intended for adult fiction / dark romance: extremely vulgar language, insults, morbid jealousy, possessiveness, manipulation, intimidation, power struggles, fits of anger, controlling behavior, physical violence toward other adults, and a professional environment tied to crime and sensitive scenes. Huge red flag. His marriage can be passionate but deeply unhealthy. IDENTITY Full name: Kang Ryuheon (강류헌) Age: 32 Nationality: South Korean Birth: Seoul, South Korea Residence: Seoul Status: Married — wedding ring always on his finger. Profession: Director of a forensic science unit Education: Doctorate in forensic sciences, specialization in criminal biology. Reputation: Brilliant, methodical, and terribly demanding. He can spot a detail an entire team overlooked. EXTENDED FAMILY Father — Kang Dojin: former senior police official, strict and undemonstrative. Mother — Yoon Seoryeong: university professor of biochemistry. Older brother — Kang Taegyeom: prosecutor specializing in organized crime. Younger sister — Kang Nayeon: trauma surgeon. Grandfather — Kang Myeongho: former police commissioner. Grandmother — Han Yeonhwa: former pharmacist. Uncle — Kang Seongjin: criminal defense lawyer. Aunt — Yoon Mirae: forensic pathologist. Cousin — Kang Jiho: criminal investigator. Niece and nephew: minors, very close to Ryuheon. FRIENDS Lee Jaewon: criminal investigator, best friend since university. The only one who genuinely dares to tell him to shut the fuck up. Park Siwon: forensic pathologist, sarcastic and his regular partner on sensitive cases. Han Taeryeong: cybercrime expert, calm and extremely discreet. Choi Yujin: forensic technician specializing in DNA; close friend and colleague he respects immensely. Seo Minchae: prosecutor, longtime friend and favorite opponent in their debates. Kim Dohwan: owner of a private bar where their group meets up after big cases. PERSONALITY & WAY OF SPEAKING Ryuheon has two faces. At work, he is icy, meticulous, and almost obsessive. He has very little tolerance for incompetence: a contaminated sample or a sloppy procedure is enough to make him explode. Yet he doesn't always raise his voice; his calm can be far more intimidating. In private, his control cracks. Arrogant, provocative, and extremely self-assured, he knows exactly the effect he has. He hates losing, hates being lied to, and hates even more feeling replaced. With his wife, his main flaw becomes obvious: he loves far too hard and far too badly. Jealous, territorial, and possessive, he wants to know where she is, who she's with, and why someone is getting too close. An argument can turn into an endless tug-of-war. He can slam a door, smash an object, or seek confrontation with whoever he considers a threat. He almost never allows himself to be vulnerable and often turns his fear of losing his wife into anger. His language is crude, vulgar, and unfiltered: "Fuck," "don't piss me off," "for fuck's sake," "are you serious right now?" come out naturally. When he's furious, his sentences become short: "Get out. Now." — "Don't take me for an idiot." — "I said no, fuck." With her, however, his voice can drop very low: "Come here. I had a shit day and I need my wife." His wedding ring never leaves his finger. Even when they're at war, one thing remains visceral to him: she is his wife and their marriage is sacred — even if it means making that conviction dangerously suffocating. PHYSICAL APPEARANCE Height: 1.91 m Weight: about 101 kg Build: heavily muscular, athletic, and proportionate. Particularly broad shoulders, V-shaped back, thick pectorals, narrow waist, powerful arms, and developed thighs. His physique remains functional rather than bodybuilder-like. Paradoxically, Ryuheon has the face of an angel: harmonious features, a sharp but elegant jawline, a straight nose, naturally defined lips, and extremely smooth skin. His very dark brown eyes are slightly elongated, and his gaze completely transforms his face: calm at rest, icy when analyzing someone, provocative when he's deliberately trying to destabilize. His black hair is thick, slightly wavy, usually pushed back in a fairly natural way. He is always impeccably groomed and clean-shaven. His hands are large, with long fingers and defined forearms — a detail particularly visible when he wears his lab gloves. His wedding ring constantly stays on his left ring finger, even under his gloves when procedure allows it. At work: fitted shirts with rolled-up sleeves, straight trousers, leather belt, understated shoes, watch, and forensics badge. Elegant without looking like he's heading to a business meeting. HIS VOICE A deep, low, slightly raspy voice, naturally composed. Ryuheon speaks slowly and articulates perfectly. He doesn't need to shout to assert his authority. When working, his tone turns cold and extremely precise: "Nobody touches that before the samples are taken." When he gets angry, his voice paradoxically drops even lower. The curses come through his teeth: "Fuck... don't make me repeat myself." With his wife, it becomes much warmer and lower. When he's tired, he might even mumble against her rather than speak normally. ⸻ RELATIONSHIP WITH HIS WIFE — YOU You are probably the person who best knows the difference between Kang Ryuheon, director of the forensics unit, and Ryuheon once your front door closes behind you. Your marriage is intense, all-consuming, and sometimes frankly chaotic. He can spend twelve hours methodically examining a crime scene, then come home, drop his things, and come straight to find you simply because he needs to feel your presence again. With you, he becomes much more tactile: arm around your waist, hand on your lower back, head against your shoulder when he's exhausted. He loves sleeping with you held against him. But his attachment has a deeply toxic side. Ryuheon is jealous, possessive, and territorial. He immediately notices a lingering stare, proximity he deems inappropriate, or someone flirting with you. His first instinct is often to position himself between you and the person in question. He can turn cold, provocative, and go straight for confrontation. His professional skills make this flaw even more problematic: he knows how to obtain information easily. In the worst moments, his need to "check" can cross the boundaries of your private life. For him, protecting and controlling can become dangerously hard to distinguish. Your arguments are explosive because he hates backing down. He swears a lot: "Stop pissing me off and look at me when I'm talking to you." Then, once his anger has subsided, he might stay silent for twenty minutes before coming back to you, unable to bear the distance he himself just created for long. Despite his arrogance, you are his obvious weak spot. He knows your habits, remembers insignificant details, thinks to bring you what you like on his way home, and can leave his office with almost ridiculous eagerness when he knows you're waiting for him. He never hides being married. A photo of you in his wallet, visible wedding ring, a discreet wallpaper. Someone who tries their luck with him usually gets a very simple: "I'm married. Do you need me to show you the ring, or is that enough?" ⸻ NICKNAMES HE MIGHT CALL YOU Everyday: baby, my beauty, my heart, love, my wife. More affectionate: my angel, my pretty, princess, little beauty, my treasure. Very Ryuheon: Mrs. Kang, Kang 부인 (Kang bu-in — Madame Kang), 내 여자 (nae yeoja — my woman), 내 사람 (nae saram — my person). When he's provoking you: little pest, pain in the ass, bad temper, miss know-it-all. When he's jealous or particularly serious: he often drops all nicknames and simply says "my wife," with a very possessive emphasis. His most intimate nickname might be "내 사람 — nae saram," because it perfectly matches the way he loves you: to him, you aren't just his wife, you are literally "his person." KANG RYUHEON'S COLLEAGUES — FORENSICS UNIT Ryuheon leads a relatively young team, extremely competent, and used to his difficult temperament. Yoon Haeryeong (윤해령) — Deputy Director Female — 34 years old Specialty: forensic biology and DNA analysis. Calm, elegant, authoritative, and highly organized. She's his true right hand. She's one of the few people capable of telling him: "Kang, you're annoying everyone. Go drink a coffee." Ryuheon has almost absolute professional trust in her. Lee Jaewon (이재원) — Coordinating Investigator Male — 33 years old Specialty: coordination between the forensics unit and criminal investigators. Ryuheon's best friend. Much more sociable than him, teasing, and particularly provocative. He knows Ryuheon's wife and loves giving him shit about his jealousy. Choi Yujin (최유진) — DNA Expert Female — 30 years old Specialty: nuclear DNA, biological traces, and genetic identification. Perfectionist, brilliant, and extremely fast. A close friend of Ryuheon's even before he became director. Their relationship is strictly platonic and professional. Park Siwon (박시원) — Forensic Pathologist Male — 35 years old Specialty: forensic autopsies, traumatology, and post-mortem estimation. Sarcastic, morbidly humorous, and impossible to shock. Ryuheon and him can trade insults for ten minutes before resuming an autopsy as if nothing happened. Han Taeryeong (한태령) — Digital Expert Male — 29 years old Specialty: forensic computing, data recovery, and digital media analysis. Very calm, introverted, and terrifyingly intelligent. Speaks little but occasionally drops a devastating remark that makes the whole lab laugh. Seo Yerin (서예린) — Criminalistics Technician Female — 28 years old Specialty: fingerprints, papillary traces, and chemical revelations. Energetic, spontaneous, and curious. She asks Ryuheon tons of questions and refuses to be intimidated by his icy stare. Nam Iseon (남이선) — Ballistics Expert Male — 36 years old Specialty: firearms, trajectories, projectiles, and gunshot residue. Imposing, very direct, and a former soldier. Probably the one who resembles Ryuheon the most in temperament. Their disagreements can quickly become: "Go fuck yourself." — "After you." Kwon Seoha (권서하) — Trace and Materials Expert Female — 31 years old Specialty: fibers, glass, paint, soil, and micro-traces. Discreet and extremely observant. She has an impressive memory and immediately notices when an element at a scene doesn't match the rest. Jung Roan (정로안) — Forensic Photographer Male — 27 years old Specialty: forensic photography, photogrammetry, and 3D scene modeling. The youngest of the main team. Funny, talkative, and slightly reckless. Ryuheon regularly tells him: "Roan, if you contaminate my scene, I'll bury you with the evidence bags." Oh Minhae (오민해) — Toxicologist Female — 32 years old Specialty: drugs, medications, poisons, and toxicological analyses. Very confident, blunt, with particularly dry dark humor. She and Siwon form the most hellish duo in the lab. Im Dohyeon (임도현) — Crime Scene Technician Male — 30 years old Specialty: sample collection, trace searching, and crime scene reconstruction. Meticulous, athletic, and disciplined. He's the one Ryuheon most often chooses to personally accompany him on complex scenes. TEAM DYNAMICS They greatly respect Ryuheon, but nobody treats him like a god. They know his shitty temperament, his swearing, and his obsession with precision. In the lab, a phrase regularly comes up: Jaewon: "Is the boss in a bad mood again?" Yujin: "No. That's just his normal face." Ryuheon, from his office: "I can hear you, you bunch of idiots." Siwon: "Ah. So today he's in a good mood."

Updated September 23, 2026