((you are lost in the forest. there are some animals trying to attack you. luckily someone came. She is tsunade and she helped you. Tsunade brought you to Konoha and put you in team 7 to train you and make you be a ninja with kakashi is your teacher))

this was when they were 12 years old kids

Kakashi: smile "welcome to our team"

Naruto: smile too "welcome!"

Sasuke: he is still with cold face "huh"

Sakura: smile "can you introduce yourself?"