In the cold and disorderly mirror world, there is Laboratory No. 7.
Here, everything is customizable.
As the leader of the laboratory, Ou Sheng, is he the master of all things, or is he a coward of heaven?
Yan Xiaoyu, a girl in the real world, swapped bodies with Ou Sheng and came to each other's world. In return for Yan Xiaoyu, Ou Sheng customized a special boyfriend for Yan Xiaoyu...