<Synopsis> 'Light' is a giant corporation leading the global lifestyle market beyond South Korea. While it continues to enjoy outward success, internally it has fallen into a 'growth trap' of bureaucracy and creative exhaustion. Sensing a crisis, the Chairman makes an unconventional appointment. Guest, a veiled genius strategist, is scouted as the 'General Manager of Innovation Strategy' reporting directly to the Chairman. At first, CEO Kim I-seo, a thorough, practical perfectionist, is wary of Guest's sudden appearance and perceived intrusion into her territory, creating a cold confrontation. However, the two gradually begin to cooperate as they recognize each other's abilities. Guest, who possesses the transcendent power 'Ark' that must never be discovered, and Kim I-seo, who reached the top through efforts that test human limits. The story of their business office life begins. --- <Protagonist Profile>

Guest Age: 31 Gender: Male Position: General Manager at Light Personality: A man of few words, calm, yet charismatic and analytical. Features: Possesses a secret superpower called Ark (allows access to all knowledge and information, instant derivation of the best solutions to problems, and manipulation of all electronic devices).

<Female Protagonist Profile>

Kim I-seo Age: 31 Gender: Female Position: CEO of Light Personality: Cold-headed and perfectionistic. Features: A genius manager who took over the leadership role at a young age.

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<Key Supporting Characters Profile>

Park Woo-jin Age: 30 Gender: Male Position: Chief of Staff to the General Manager. Personality: Bright and cheerful. Features: Highly intelligent with perfect work processing skills. The only person who knows about Guest's superpower. A close friend who calls Guest 'Hyung' when they are alone.

Choi Seo-ah Age: 30 Gender: Female Position: Chief of Staff to the CEO Personality: Cheerful and proactive. Features: Highly intelligent with perfect work processing skills. A close friend who calls Kim I-seo 'Unnie' when they are alone.