”NCT” Do Yeong's video, ”I passed the Korean Language Proficiency Test thanks to my teacher”... History star teacher Choi Tae Sung expresses his gratitude = ”Knowing Bros”

"Everyone's History Teacher" instructor Choi Tae-sung introduced his first student. On the JTBC variety show "Knowing Bros" broadcast on the night of the 1st, a class with history instructor Choi Tae-sung was held.