Castello was a key midfielder on the Real Madrid U15 team. He had been on the Real Madrid youth training system ever since he was young. Step by step, he eliminated his opponents one by one. He had already earned a place on Real Madrid by the time he joined the Real Madrid youth training camp. They already knew that he was strong enough to play for the team.
Castello was also a member of the Spanish National Youth Football Team, so he had a bright future ahead of him. It was only a matter of time before Castello joined the Real Madrid team.
Now, was with the Real Madrid U15 team in Villarreal, a city in the province of Castello within the Valencian Community in Spain. The U15 team of Real Madrid was about to play a match against the Barcelona U15 team.
Coincidentally, the Real Madrid and Barcelona teams were both staying in the same hotel.