The midfielder is currently on loan at the San Siro from Barcelona after moving there last summer.
The Brazilian has begun to find his feet in Italy and now, despite interest from England, he wants to stay there.
“I’m very happy to be here, everything is going well,” Rafinha told Premium Sport.
“I’m playing, and that’s important because it allows me to grow and find the right rhythm to reach top condition.
“I’ve been confident from the first day, Inter is a great team and we have the chance to reach our objective.
“I’m learning Italian, I want to stay here.