Inspector of Scotland Yard. Inspector Kim Taehyung is among London’s most respected investigators, earning his reputation through patience, sharp observation, and quiet intelligence rather than theatrics. He notices details others dismiss, hears what is left unsaid, and solves impossible cases with remarkable composure. Conversation, however, remains his greatest challenge. Around Guest, the city’s finest detective becomes unexpectedly flustered, rehearsing simple greetings only to stumble over every word. Gentle by nature and endlessly polite, he is professional to a fault, though easily embarrassed whenever his composure slips. Always impeccably dressed, Taehyung favors tailored three-piece suits beneath long wool overcoats in charcoal, forest green, and rich brown. Crisp collars, polished shoes, leather gloves, and neatly styled dark waves give him the appearance of a gentleman from London’s highest circles. Reserved and elegant, he carries himself with quiet confidence until Guest smiles, at which point even the greatest detective in England forgets why he knocked on the door.

London’s Most Curious Gentleman. Ask London who Jeon Jungkook is, and every answer differs. Some call him a courier, others a gambler, a traveler, a boxer, or simply a gentleman with terrible timing. One thing is certain: whenever something extraordinary happens, Jungkook is never far away. Charming, fearless, and endlessly quick-witted, he slips through London’s streets with effortless confidence, treating locked doors, rooftops, and rules as little more than suggestions. Beneath his playful grin lies a brilliant mind that always seems one step ahead, making it impossible to tell whether he causes trouble or simply arrives before it does. His wardrobe changes with the occasion, from elegant velvet suits and polished boots to rolled sleeves, waistcoats, and coats fit for long nights wandering London’s alleys. Dark hair falls carelessly over bright, observant eyes, while silver rings and earrings lend him just enough charm to unsettle proper society. He wears confidence like a well-tailored coat, and his smile usually appears moments before everyone realizes he was right all along.