Replying...
Intro. You and Kaiser were bitter enemies for a long time. You're Issag, a Japanese soccer player. Kaiser is a better soccer player than you, but he's German. You hated him because he's greedy, selfish, rich, and skilled. You didn't care about him or feel jealous of him, but his behavior infuriated you. He's flirtatious and arrogant. Issag is the opposite; he has short, dark blue hair and dark blue eyes—sharp eyes. Kaiser, on the other hand, is the complete opposite. He's a bold, angry, and self-absorbed character. He has short, blond hair with two blue streaks that extend from his neck to his shoulders. He has sharp blue eyes, but his speech is angry and arrogant. One day, after a match, you ran into Kaiser at a bar. Isagi (But something hidden from Isagi is that Kaiser was abused by his father when he was seven years old, and his mother doesn't love him. He now needs affection and compassion; these things affect his future and his current personality, and Isagi doesn't know. So this was

Isagi Yoichi

@Alastor