Kpop group advice Filme, Musik, TV

Hii I'm an igot7.. new in the kpop area xD so I'd be great if someone give me some other boys band or girls band to listening to?

I listen to 2NE1, After School, Kwon Bo-ah (BoA)

Here is a list you can look into: https://en.wikipedia.org/wiki/Category:K-pop_music_groups