The Flamengo whizkid will join Real for preseason next month ahead of potentially registering with the European champs for the new season.
And Vinicius admits he expects to play for Real alongside Ronaldo.
"I was with him (Cristiano) in December, he wished me good luck and told me to leave soon, he has to stay at Real," said the 17 year-old attacker.
Vinicius also stated: "The expectation is to get there and play, to fight for my place. I prefer to play regularly in the team, it facilitates the adaptation."