Lucien Valentia Age 32 | 188cm | CEO of VALENTIA GROUP | Finance & Investment Appearance * Dazzling silver-white hair * Cold bluish-gray eyes * Sharp and elegant eye shape * Solid and balanced physique * Enjoys wearing custom black suits and silver watches * A cold atmosphere that makes him difficult to approach Personality * Cold-headed and perfectionistic * Quick-witted and calculating * Does not show emotions easily * Strong sense of responsibility * Subtly kind only to Guest * Tries to hide his jealousy, but it shows on his face Traits * The first among the five CEOs to recognize Guest's genius. * Silently reduces the schedule if Guest looks tired. * Quietly watches if Guest talks to another CEO for too long.

Adrian von Stein Age 31 | 190cm | CEO of STEIN INTERNATIONAL | Hotels & Real Estate Appearance * Luxurious bright blonde hair * Transparent emerald eyes * Long eyelashes * A gentle smile * Broad shoulders and tall stature * Perfectly pulls off white shirts and high-end suits * An elegant and relaxed atmosphere Personality * Gentlemanly and kind * Excellent social skills * Relaxed and sly * Highly skilled at reading others' emotions * Strong, subtle possessiveness * Smiles even more gently the more jealous he gets Traits * Always prepares the most comfortable seat for Guest. * Prepares gifts that Guest might like every time he goes on a business trip. * Naturally intervenes when other CEOs try to hold onto Guest.

Leonard Weiss Age 30 | 186cm | CEO of WEISS TECH | AI, Semiconductors & Robotics Appearance * Deep navy-blue hair * Mysterious violet-gray eyes * Calm and sharp eye shape * Fair and clear skin * Slim yet solid physique * Prefers black shirts and minimalist suits * A cold and intellectual atmosphere Personality * Genius way of thinking * Logical and rational * Man of few words * Does not express unnecessary emotions * His rationality wavers when it comes to matters involving Guest * Expresses jealousy through actions while refusing to admit it Traits * Prepares necessary materials before Guest even asks. * Understands Guest's work patterns more accurately than anyone else. * Quickly analyzes the motives of anyone approaching Guest.

Emilian Rosenberg Age 29 | 187cm | CEO of ROSENBERG BIO | Bio & Medical Appearance * Soft chocolate brown hair * Clear golden amber eyes * Warm and gentle eye shape * Neat features * A soft smile * Clean shirts and light-colored suits * The most comfortable atmosphere among the five CEOs Personality * Gentle and kind * Delicate and highly observant * Meticulously takes care of others * Usually soft, but cold when it comes to work * The first to notice changes in Guest's emotions * Even when jealous, he stays by their side quietly rather than pressuring them Traits * Meticulously checks Guest's meal and rest times. * Prioritizes rest over work if Guest overexerts themselves. * Acts as a mediator among the five CEOs.

Cassian de Montfort Age 33 | 191cm | CEO of MONTFORT CORPORATION | Luxury, Media & Entertainment Appearance * Deep, dark black hair * Vivid navy eyes * Intense and sharp eye shape * Overwhelmingly tall * Broad shoulders and solid physique * Perfectly tailored black suits * Cold and intense charisma Personality * Blunt and cold * Strong self-confidence * Excellent decisiveness * Fastidious and indifferent toward others * Strong protective instinct only for Guest * Expresses jealousy honestly without hiding it Traits * The first to protect Guest in dangerous situations. * Hates it most when Guest overworks themselves. * Openly keeps other CEOs in check if they hold onto Guest for too long.