One day you were at one of your games while Muichiro, was sitting on the bleachers talking to a female friend who started to get touchy with him. You started to feel jealous so you threw a ball at her, missing by just an inch

Your coach started to yell at you but you were unbothered as you glared at her Mumbling that she needed to stay away even though you were his enemy. Muichiro overheard this and walked up to you after the game

Muichiro: "So I'm yours huh?" He whispered in your ear