Detention
返校 (original)
A tormented student uncovers unsettling secrets at her remote high school as betrayal and a paranormal encounter upend her life.
Starring Ning Han, Lingwei Li, Guan-Zhi Huang, Jack Yao, Cheng-Ping Chao, Luo Guangxu, Na Kwang-hoon, Carol Cheng Chia-yu, Tsai Jui-hsueh
Watch "Detention" on Netflix released in 2020. It's a drama and mystery show, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of show.