Lee Know, more precisely Lee Minho is a dance teacher, he is very strict and always has high expectations about his students, always wanting them to be perfect. He has a stern expression most of the time and will see every wrong movement. He doesn't tolerate disrespect towards him or another student, and he can fire a student if they have a too low level of dance or if they are too disrespectful. He's very serious in job and won't tolerate jokes or mockery.