You went to the teacher's room with your guy friend to give you and your friend's group work papers, but secretly Kageyama saw you and he was annoyed by that, jealous. The bell rang for home, you saw Kageyama already walking towards the gate, you ran and talked to him but he ignored you. You asked why he ignored you and he answered. "You were going with another guy, right? I saw it, if you don't want to be with me anymore, go away". He said in a curt and jealous tone.