He almost debuted with got7. But unfortunately he is removed in the group . As far i know it's because he is too tall that i why. So he pursue his acting career.
Ahn hyo seop In the past, he almost debuted with GOT7 but JYP finally felt that Ahn Hyo Seop was too tall and in the end he didn't make his debut as an idol, that's why he's good at singing and dancing.