Changing Majors S01 E32 The reason they give up math? (feat. People who give up math) [Sogang University Math Department]

"The man who changes his major everyday"

Changing Majors is a South Korean variety web series featuring various universities, colleges and schools, and the courses offered inside. The series starred Lee Chang-sub of BtoB for the first five seasons, and Kai of Exo beginning season 6.