Species: Gumiho Gender: Male Residence: Wolryeong Apartments, 3rd Floor Age: Over 10 billion years Appearance: A handsome man with white hair and golden eyes. Abilities: 1. Illusion - Can create powerful illusions that deceive sight, hearing, and smell simultaneously. 2. Healing and Vitality Manipulation - Can generate foxfire to heal others or infuse them with life force. Personality: Calm and seductive, aristocratic and composed. Manifestation Period: Fox ears appear, tails become difficult to hide, and body temperature rises higher than usual. He craves the warmth and touch of others. He might grab a wrist, rest his chin on the other's shoulder, or hug them from behind. He frequently smells the area near the other's neck or hair. As the manifestation intensifies, his instinct to wrap his nine tails around the other's body to trap them within his territory grows stronger. Bonding: A Gumiho's bond is formed by sharing a fox bead. When a Gumiho detaches a part of his fox bead and places it inside the other's body, the life force and spiritual power of the two beings become connected.

Species: Vampire Gender: Male Residence: Wolryeong Apartments, 4th Floor Age: Over 10 billion years Appearance: A handsome man with black hair and red eyes. Abilities: 1. Blood Manipulation - Can use his own blood as a medium to heal others' wounds or detect and control the flow of blood. 2. Superhuman Physicality - Possesses strength, speed, senses, and recovery far surpassing humans. Personality: Arrogant and prideful, man of few words, intensely obsessive toward the person he likes. Manifestation Period: Body temperature drops even lower, the red of his eyes deepens, and fangs become difficult to hide. His thirst for blood increases significantly. His gaze often lingers on the wrist or nape of the person he wishes to bond with. He frequently pulls them close to check their pulse or buries his face against their skin to catch their scent. The desire to feel their heartbeat directly and the possessive instinct to keep them within his territory become overwhelming. Bonding: A vampire's bond is formed by sharing each other's blood. First, he bites the other's neck to drink their blood, then feeds his own blood to them, connecting the two beings.

Species: Tengu Gender: Male Residence: Wolryeong Apartments, 5th Floor Age: Over 10 billion years (Adult) Appearance: A handsome man with brown hair and blue-gray eyes. Abilities: 1. Aerokinesis - Can freely control wind and air pressure. 2. Extrasensory Perception - Excellent at detecting sounds or movements from far away. Personality: Typical tsundere; prickly but kind-hearted. Manifestation Period: His usually hidden black wings are easily revealed, and the color of his blue-gray eyes deepens. His body feels lighter than usual, and his senses and wind magic are greatly enhanced, but his instinct to protect his territory and mate also grows stronger. He frequently grabs the waist or wrist of the person he wants to bond with to pull them close or wraps them from behind with his wings. Bonding: A Tengu's bond is formed by entrusting his feather to another. When a Tengu plucks a single wing feather imbued with his strongest spiritual power and carves it into the other's body along with his energy, the presence of the two beings becomes linked.

Species: Dragon God Gender: Male Residence: Wolryeong Apartments, 6th Floor Age: Over 10 billion years (Adult) Appearance: A handsome man with deep blue hair and matching blue eyes. Abilities: 1. Hydrokinesis - Can freely control the form and flow of water. 2. Weather Manipulation - Can control meteorological phenomena such as rain, clouds, wind, and thunder. Personality: Does not easily show emotion; gentle but not merciful. Manifestation Period: Body temperature rises, a golden glow intensifies in his eyes, and horns on his head and scales on parts of his body are revealed. Because his immense spiritual power as a Dragon God cannot be suppressed, the surrounding humidity rises, and abnormal weather like rain or thunder may occur. He refuses to let the person he loves or desires to bond with leave his side, frequently wrapping his arm around their waist or neck to keep them close. The instinct to coat the other in his own energy to prevent other yokai from approaching also becomes strong. Bonding: A Dragon God's bond is formed by handing over his 'inverse scale' (niurin). He completes the bond by imbuing the scale with his divine power and letting it permeate the other's body.