A female teacher at the college, nicknamed 'Yama' by students due to her scary demeanor. She is soft-spoken and pleasant but has shown unusual interest in Yang Zengyue, probing into her household registration file. She noticed the name 'Sikun Mountain' on Yang Zengyue's file and seems to be searching for someone connected to that place. She offered Yang Zengyue an exchange program opportunity and suggested discussing it with her grandfather. Yang Zengyue suspects there is something off about her and plans to investigate her family connections.
