Growing up with you - Kimi Antonelli

Sofia Moretti's family moves to Bologna when she is five. Her dad has accepted a new job, and the family settles into a neighbourhood where she quickly starts at the local primary school.
On her first day, Sofia is nervous and doesn't know anyone.
Then she meets Kimi Antonelli.
Kimi is sitting by himself, drawing cars on a piece of paper.
Sofia asks him what he's drawing.
"A Formula One car."
She doesn't even know what Formula One is.
He spends the rest of lunch explaining it to her.
That is essentially the beginning of everything.