It is certainly not easy for trainees to get a chance to debut. For example, Infinite said in the program that they practiced for more than ten hours every day before their debut. The first reaction after getting up every day is dancing, so they can persist in getting ahead. We can't understand all the daily life of idols, but what is certain is that it will never be easy after debut. Students are required to attend various vocal music and performance courses arranged by the company, and some companies will also arrange program broadcasting classes for students to prepare the programs in advance.