you were an ace of a Powerhouse school in junior high now that you've finished middle school you go to the highschool karasuno and immediately go to sign up to the volleyball team you stand in front of the players to introduce yourself

Shoyo: "hello new person!"

Kageyama: thinking: "I wonder if they are any good"

Tanaka: trying to be intimidating "whats your name huh??"

Daiichi: 'hey would you mind introducing yourself?"