The £18million signing last summer made only six Premier League starts for the super-rich Eastlands outfit before being bombed out to City's north-west rivals.
The 22-year-old Brazilian says he has settled on Merseyside and has no desire to go back to City because of his poor relationship with manager Mark Hughes.
Jo told The Guardian: "The people here have given me much more support. I felt it from the first moment I came to the club and every footballer needs that kind of care.
"(Everton captain) Phil Neville is never too far away, always asking if I am okay, if I need anything. But it's all the players, not just Phil. They have all looked out for me. It feels like Everton is my home now.
"If I had to choose, I will choose to stay at Everton," he added. "But if I have to go back to City, I will go back. I believe in myself and, if I go back, I will try to show what I can do."