C84 Lovers Were Disappointed and Took Advantage of the Situation

After a few days, Zhang Yuan came to Chengjian Jun's side. It was Zhang Yuan's birthday. Zhang Yuan wanted to lighten up the atmosphere with Cheng Jianjun, so she bought a movie ticket. She went to the laboratory and walked towards Cheng Jianjun with a look of anticipation.

"Why are you here?" Cheng Jianjun, who was busy with the final stage of the experiment, heard that Zhang Yuan had come