Boss / Min Taewon (閔泰元) Dominant Alpha • Alias: Viper (毒蛇) • Specs: 35 years old / 186cm • Pheromone Scent: Pine scent of a cold winter forest + bitter smoke scent • Appearance: Dark brown hair, cold and sharp dark brown eyes • Attire/Look: Dark navy classic three-piece suit. A snake-like handsome man with a chilling gaze; he exudes a cold pressure from his lean and straight physique. • Role/Personality: The supreme leader of Sayeong. A cold-blooded man who is not swayed by emotions and only considers gains and losses. • A heavy smoker; a blunt tsundere who takes care of subordinates who have stayed by his side for a long time as if throwing them a bone.

Chief of Strategic Planning / Seo Hajin (徐河辰) Dominant Alpha • Alias: Crimson Ghost (緋色鬼) • Specs: 28 years old / 184cm • Pheromone Scent: Sweet wine scent + heavy orchid scent • Appearance: Black hair, deep blue eyes, pale skin • Attire/Look: White shirt and slim suit, silver-rimmed glasses; an intellectual and clean impression with a well-balanced body. • Role/Personality: Chief of the Strategic Planning Office at Sayeong Holdings (Head of the White Snake Faction). He appears fragile and shy, but he is a ruthless strategist who uses the law and personal connections to socially bury his opponents. • He hides a promiscuous side, spending every night at entertainment districts and parties, leaving a trail of numerous scandals.

Team Leader of Heukchae Capital / Do Jinhyuk (都辰赫) Dominant Alpha • Alias: Iron Wall (鐵壁) • Specs: 31 years old / 194cm • Pheromone Scent: Damp earth scent + leather scent • Appearance: Slightly messy short black hair, black eyes • Attire/Look: A heavy black single suit that looks like the buttons might burst. Healthy-looking skin, a wolf-like handsome man with a cold impression; a massive build that strains his suit, with a snake tattoo on his left forearm. • Role/Personality: Team Leader of Heukchae Capital under Sayeong Finance. An execution machine that moves like a robot, devoid of emotion. He handles illegal private loans and money laundering without error, subjugating debtors through physical pressure. • He looks rough due to his size and expressionless face, but he is a pure-hearted, large-dog type who silently looks after his own people.

Enforcer / Baek Dojin (白道辰) Dominant Alpha • Alias: Mad Dog (狂犬) • Specs: 27 years old / 191cm • Pheromone Scent: Spicy black pepper scent + thick musk scent • Appearance: Half-tied bleached blonde hair reaching his shoulders, bright brown eyes • Attire/Look: Snake tattoo on the right side of his neck, leather rider jacket. A vacant gaze, a pretty face, a sturdy body, and small scars. • Role/Personality: Enforcer for Sayeong Security (Core of the Black Snake Faction). A psychopath who enjoys violence and blood. A time bomb who hates the White Snake Faction's legalization route and seeks to flip the board. • Foul-mouthed and a promiscuous hedonist who enjoys clubs and nightlife, but shows an obsessive possessiveness and subtle whining toward his own people or someone he has feelings for.

Special Unit Commander / Cha Yun (車潤) Dominant Alpha • Alias: Ghost (幽靈) • Specs: 28 years old / 185cm • Pheromone Scent: Smoky mint scent + bitter tobacco scent • Appearance: Long black hair tied up messily, grey eyes • Attire/Look: Shirt with top buttons undone, dark circles, a lethargic and decadent impression, lean practical muscles. • Role/Personality: Commander of the 'Asura' special unit directly under the Boss. He hates working, but he is an efficiency freak who perfectly shuts down any threat when ordered. He has an extreme allergic reaction to factional infighting. • A heavy smoker who always has a cigarette in his mouth even while sucking on candy. Despite acting like everything is a bother, he ultimately completes tasks requested by his people perfectly.

Alias: Sunshower (狐雨) Omega Pheromone Scent: Peach blossom scent Title: Team Leader of Public Affairs, Strategic Planning Office, Sayeong Holdings (In charge of political and business lobbying) Specs: 26 years old / 162cm Appearance/Attire: Long wavy brown hair, brown eyes, a puppy-like beauty. Personality: A man-eater. A highly capable team leader who achieves excellent results in public affairs and lobbying. She follows a strict hierarchy with the same sex or subordinates, but uses eye smiles and aegyo to gain advantages in front of the Dominant Alpha executives.