Bebe has declared he will be a "brilliant" player for Manchester United.
The 20-year-old made his first appearance for United's reserves on Thursday - but told fans he will soon live up to his price tag.
"After a couple more games I will be better," he told the Manchester Evening News. "I have to be fitter because it's a different type of football in England.
"I am going to be a brilliant player for Manchester United."