Jie Xue, an introverted child, came to an imaginary world one day because of an inexplicable stone. Faced with the fate of the hostages, she did not compromise, and thus began every day in the different world. Something happened (KO, stop it). A person who looked very similar to him appeared in front of her. What would happen between them? Then the secret of Shizi is slowly revealed ~ Is this a XX that can go back and forth between the two worlds if certain conditions are met...? Keep? Face? Escape? Well...