Note : I will only post the OC unless they are important to the story, for the Manga/Movies characters see author's note of their first chapter appearance :)

Harris Mitchell : Our MC, came back from the futur where he died because of race incident. Want to climb his way to Formula 1. He don't know a lot about Japan's Driver championship and was never really interested since he always put Europe only in his eyes which closed unknowingly for him a lot of doors. Secret background ?

Alessio Mitchell : MC's father, own and involved in different cars industry. We don't know how deep is involved.

Mother : Our Mother ! Hold a lot of secret from our MC...

Enzo Mitchell : Harris's Uncle ! More to come...

Leo Mitchell : Also Harris's Uncle...

Todoroki Takaya : Alessio's Friend and Team director for his own team and Harris team director. See Harris as the most talented driver he saw even tough he will never say it to him.