The Guest House was never meant to be opened. It is an old property of the Rattanawong family — a guest house built for guests, but closed for years. Rumors say it is haunted. No one has ever dared to open it since. Until now. Boranat Rattanawong — the cold, possessive, and only heir of the Rattanawong empire — is forced by his father to reclaim the Guest House. To protect him, a new personal bodyguard is hired — Oakkharin Srisuk. Sweet-faced, clumsy, but fiercely loyal. A boy with a mischievous smile who falls too fast, and a boss who never learned how to love. What starts as duty turns into obsession. What lives in the Guest House wants them apart — or dead. Can Bright and Oak survive the haunted house together? Can a cold CEO learn to love his own bodyguard before the house takes him away? A BL Horror Romance of possession, protection, and a love that even ghosts cannot stop.