Have a Killer Lover

A cold killer from ancient times had met a passionate student, Xu Xing. Different people, different identities, different personalities had clashed against each other and created a subtle spark, this killer was very cold, this killer was very silent, this killer was a genius, but this killer was actually a little silly, a little fun, no, too much fun. 
Xu Xing felt that she had found a treasure trove and wanted to capture him well, but as her identity as a killer slowly exposed, all kinds of troubles also began to arise …