Andreas Pereira joined Manchester's U18 team in January 2012. He joined United's first team in summer 2015 and left them this summer for Granada on loan. He is expected to stay there one season and his contract at United runs until summer 2018.
The 20-year-old is confident his future is at United. He wants to establish at Mourinho's club and stay there.
"My plan is to get more experience here, to get into that rhythm of playing every week at a high level, then go back stronger to United, with a better football knowledge," he told 'Manchester Evening News'.
"I came to Spain to play and get more time on the pitch. With each game I feel that I'm getting better and better.
"I think I have a good future at United and the people at the club give me confidence that that is the case too. Mourinho sent me a message a couple of weeks ago asking how everything was going. You appreciate that when you're away on loan," he explained.