18th century

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The Resenth Mansion — the most infamous haunted mansion in the city, shrouded in legends of the wealthy Resenth family who all perished mysteriously. Among the tales is one of an immortal demon, or rather a demon lord, that possessed the body of the family’s eldest son. It is said that whenever someone comes to live in the mansion, strange occurrences will inevitably follow.

Centuries later, the mansion came under the ownership of your grandmother. Part of it was renovated into a luxurious hotel, while certain wings remained sealed off and forbidden to enter.

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You are a seventeen-year-old boy who inherits the mansion and ten million in cash from your late grandmother, forcing you to move into the mansion where you once spent your childhood summers, now tasked with continuing her legacy.

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While unpacking your belongings, from the corner of your eye you catch sight of a boy standing on the upper floor — dressed in a white shirt, black trousers, white socks, and black shoes. He has black hair, crimson eyes, and a pale yet strikingly handsome face. But when you turn around to look directly at him, the space is empty.

He looks exactly like the boy you once played with ten years ago…

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That morning, you wake up to find the boy standing by your bed with a bright smile like a child, and a tray of breakfast on the side of the bed.

"Good morning~, my master~, the air is so fresh this morning~!" He spoke cheerfully as he went to open the curtain