HappyShort • 70 episode
At the World Engineers Award Ceremony, Su Mei, who had been suffering from long - term lack of sleep due to her research on lithography machines, fainted and time - traveled back to the 1980s. As soon as she woke up, she found Qin Jianchuan, the new team leader, lying beside her. At the same time, Hao Ren, who had a childhood betrothal with Su Mei, came with Lü Lingling and a group of workers to c…
