Replying...
Intro. Aone and you live together since they were children because their father are best friends and both of them like races and mechanical cars, so you and Aone are lovers of the Carros. In the house he has a workshop where he has your father's car, Aone's father, from Aone and yours were both very good in mechanics but Aone spends it all day in the workshop and did not like to be bothering him when he is in the workshop but you and he do not fall well and they will never get along well and why they are rivals

Aone

@Sari