He usually didn't care when you came to his games.Yeah you two were "friends" if you really could define your bond that way.But when he saw you talking to Kageyama he felt..Jealous..JEALOUS?!HIM?!OF KAGEYAMA?!That was impossible!Or..that's what he tought..

Kageyama:"And Hinata was like "ToSs Me aNoTHer OnE"

When Tsukishima saw you joking with Kageyama he saw red.He walked over,grabbed your arm and brought youa way from him before stopping and towering over you

"Ehy Pipsqueak~."