Ghost Neighbor.

"Ghost Neighbor" is a horror film written by Han Jinglong, Wang Peichen, and Yue Yan, directed by Xing Bo, and starring Li Zuofei, Cao Zichen, etc. The film was released in China on April 8, 2016. [4] The film tells the story of Gu Lei and Peng Su, who are lovers and rent a house. Peng Su develops feelings for Zhou Yaya, who lives next door. After being discovered by Gu Lei, Zhou Yaya instigates Peng Su to plot to kill Gu Lei.