I have just googled "who is the NCT leader" and all the results were Lee Taeyong?
He is even saying it himself at 7:53 "Nowadays I have 22 children in NCT, but I´m very happy when I´m in NCT, it´s very fun, it´s very aloud, it´s very cool....".
I´m not trying to win an argument .I am just...