|Debut||Captain Tsubasa 2: Super Striker (Famicom)|
|Club||São Paulo FC||4|
Amaral is a defender of São Paulo FC youth team. He is specialized in competing for high balls, as well as blocking and cutting. He and Doutor form a matchless pair of defenders. In Captain Tsubasa 4: Pro no Rival Tachi (SFC) he and Doutor join Cruzeiro.
His name is a reference to Brazilian player João Justino Amaral dos Santos.