“Anna is abducted against her will and finds herself in a huge mansion known as the lion mansion, a mansion owned by a strange guy called 'the faceless boss'. His mask and aura depicts his cold personality but behind that mask is an immortal waiting for his own death. He had longed for the girl in the prophecy and the only way he was to find her was to keep trapping people in his mansion all with a rule; Kill him or try escaping within ten days of your stay. The two options are very much impossible but still in the mission, Anna falls in love with the boss under a disguise of a gate guard. When she found out, she was left with only one option, kill him. Would she kill him or follow her heart of love even when he had clearly betrayed her with his disguise?”