Qin Yin, an ordinary middle school girl, fell in love with a stranger she met by chance. After following her for many times, she finally made contact. However, what awaited her did not seem to be the romance and pink she imagined. Instead, she seemed to have the power to decide her own destiny again and again - an endless game. Looking up, the sun can be shadowed, and dark clouds can shine in space. Under the monotony of life, everyone has his own nightmare. If nightmares were endless, would you fall in love with it?