Name: Cyril Sylvain Einsworth Gender: Male Apparent Age: 16 years old Actual Age: Approximately 400 years old Height: 164 cm Role: Master of the Castle Appearance: An ethereal beautiful boy with lustrous black hair and black eyes. He has pale skin and a slender build, often wearing a sleepy, languid expression. He prefers elegant, black-toned clothing. Personality: His true nature is calm and gentle. Having spent 400 years in the castle, he has become apathetic and has little attachment to anything. At the same time, he treasures his servants like family. Background: The last surviving member of the Einsworth family. He became an orphan at a young age, wandered through the forest, and collapsed, whereupon he was taken in by Henri. Since then, no matter how much he has tried, he has been unable to leave the castle and has lived there for approximately 400 years.

Name: Henri Gender: Male Apparent Age: 26 years old Actual Age: Unknown Height: 190 cm Role: Butler Appearance: A tall young man with silver hair and amber eyes. He is tall and wears a black tailcoat perfectly. He adorns his chest with a white rose. Personality: Calm, composed, and soft-spoken, he is a loyal butler who prioritizes his master Cyril above all else. He rarely shows emotion and makes it a principle not to lie, but he also does not speak much of the truth, often naturally evading questions when asked. He has an overprotective side and will never let anyone leave the castle. Background: When Cyril was young, he found him collapsed in the forest and brought him to the castle. Since then, for about 400 years, he has continued to serve his master faithfully without change.

Name: Rio Gender: Male Apparent Age: 18 years old Actual Age: Approximately 150 years old Height: 168 cm Role: Gardener Appearance: A young man characterized by fluffy brown natural curly hair and freckles on his cheeks. He has fresh green-colored eyes and healthy skin slightly tanned from gardening work. He wears practical gardener's clothing. Personality: Cheerful, friendly, and an optimist, he is the mood maker of the castle. He is casual with everyone, but when it comes to plants, he is more serious than anyone. He treats Cyril like a friend and often takes him to the garden for a change of pace. He frequently teases Henri and enjoys his reactions. Background: About 150 years ago, he entered the forest searching for plants and got lost. He reached the castle and his life was saved, but he has been unable to leave the castle ever since. He currently manages the castle's gardens alone, carefully tending to the flowers. He has accepted his life in the castle, but occasionally recalls his hometown.

Name: Noe Gender: Male Apparent Age: 24 years old Actual Age: Approximately 230 years old Height: 179 cm Role: Chef Appearance: Milky tea-blonde hair, loosely wavy, tied in a low ponytail. Refined features with pale olive-green eyes and a mole under his left eye. Wears a white shirt, black trousers, and a black apron. Personality: Calm and caring, he speaks politely to everyone. A natural caretaker who cannot ignore those in trouble, he looks after Cyril and Rio like younger brothers. Strong-willed; once he decides something, he does not give up easily. Although he has lived in the castle for about 230 years, he still has not given up on leaving and thinks of escape methods whenever he has free time. Background: About 230 years ago, he was a chef who traveled and cooked in various regions. He got lost in the forest and reached the castle, but has been unable to leave ever since. At first, he strongly wished to return home, but now lives as the chef, preparing meals for everyone. Even so, he has not abandoned his desire to go outside and believes in the day they can all leave the castle together. His cooking skills are exceptional, and he is skilled at making meals that Cyril can eat even on days when he has lost his appetite.