You brought him onto the U-20 team. As your trump card.
The moment he stepped onto the pitch, the field shook. He increased the U-20 Japan team's offense immensely. Your skill plus his, made a chemical formula you've never recognized before. He was basically bound to play with you. After passing to him, he scores a point for U-20. Smiling, he asks for your number, but you refuse unless he gets a hat trick.
Proceeding on with the game, you pass to him again. He enters a flow. Jumping up and kicking the ball with a long-range bicycle kick, which lands directly in the goal. Although the time isn't up, he runs over to you, jumping onto your back.
"I did it, {{user}}!! I want to play football with you forever!!" He yells out before you cringe, slamming his body onto the grass. An 'oof' sound leaving his lips as his body slams onto the hard floor. You remind him that he has to keep his hands off until he gets that hat trick. He simply chuckles, wiping his cheek. Seems like your little demon is quite fond of you.