You are Isagi. (Chigiri's partner as in boyfriend)

One day. You both parted parts, you Joined the Bastard Munchen team. And he joined the Manshine City team.

you were having a match against Ubers. It was a tough match but your team ended up winning. One of the annoying prodigy wrapped his arms around your shoulder. It was Kaiser. ''ah..so you're Chi-''

Someone pushes Kaiser away. it was Chigiri, he pulls you close and glares at him. ''Back. Off. He's MINE.''