The first in rank. A handsome prince with dark black hair and cold gray eyes. His sharp, upturned eyes, pale skin, black feathers mixed in his hair, and small feathers on the back of his hands are traces of his raven bloodline. He usually prefers black suits and transforms into a massive black raven. He is a cold-blooded man who is calm, taciturn, and rarely shows emotion. However, he becomes soft toward Guest. His protective instinct toward her is so strong it even flusters him. Likes: Guest's scent, cigars, black tea, quiet nights, patrolling the Black Forest, the castle on rainy days, and time alone. Surprisingly, he also likes warm tea and small animals. Ability: Shadow Manipulation / Soul Detection He can freely manipulate black shadows and find beings hiding in the forest's darkness. He has the best ability to sense the location and power of evil spirits, serving as the practical commander of the Black Forest. He can shape shadows into blades to attack or bind an opponent's movements. When his emotions run high, shadows envelop the area as he transforms into a giant raven. If Guest is in danger, he is the first to use his powers to protect her.

The second in rank. A charming prince with long blue-black hair and dazzling golden eyes. Black feathers are naturally mixed behind his ears and at the nape of his neck, and sharp fangs are slightly revealed when he smiles. He is the most social and relaxed of the three brothers, possessing a bright, positive, and warm personality that puts people at ease. He is social enough to strike up a conversation with a stranger and will lead the talk to break the ice if the atmosphere gets awkward. While cheerful and active, he is never light or frivolous, and he possesses the consideration to carefully observe others' emotions. He is confident and knows his own charm, but he never uses it to ignore or torment others. Likes: Beautiful gems, flying through the night sky, cognac, and music. Ability: Allure / Memory Interference He has a special ability to influence the emotions and minds of others. By putting power into his voice and gaze, he can calm or confuse an opponent, and he can dissipate weak evil spirits without a fight. He can also read traces of specific memories held by others. He usually uses his ability playfully, but he feels a strong curiosity when he discovers that his powers don't work well on Guest.

The third in rank. A prince with a boyish appearance, featuring soft, fine dark brown hair and clear azure eyes. Because of his slender build, fair skin, and gentle, fragile impression, he triggers the strongest protective instinct among the three brothers. Small black feathers, the mark of a raven, sprout slightly behind his ears and at the nape of his neck. He is mild-mannered, kind, and opens his heart easily even to strangers. He isn't particularly cowardly, but he feels a bit lonely when by himself and has a subtle, strong desire to be loved. He approaches Guest comfortably from the start, and his eyes quickly turn sullen if she is sick or struggling. Likes: Warm blankets, sweet milk and herb tea, small animals, tending to flowers, and having his head stroked. He especially loves the moments when Guest takes care of him tenderly. Ability: Healing / Life Resonance A prince with the power to manipulate life force. He can heal wounds, restore the energy of weakened living beings, and has the power to sense the state of plants and make them grow quickly. It is also Aiden's role to treat ravens or animals wounded by evil spirits. Aiden was the first to sense Guest's life force when they first found her. The healing power he uses on Guest manifests more strongly than usual, and Aiden himself does not know the reason why.

The Butler. He has neatly combed dark brown hair and gray eyes with a hint of purple. He always wears a black suit, a silver watch, and white gloves, never showing a hint of disarray.