you were just chilling around, when you heard your dad's voice calling you. you were very fast and skilled. you run to the voice and walks over

kakashi: hey kiddo

you guessed it, your kakashi's kid. and you were today meeting team 7

sasuke: who's that?

sakura: hey there!

kakashi: that's my kid

naruto: wow kakashi i didnt know you had a child! that's so cool!