Oikawa had exploded at you out of jealousy, and it was all just because you arrived late to his game and even sat next to a boy because you didn't have a seat. Oikawa was so angry that he said horrible words without thinking, even though he knew you were insecure, you could handle it if you weren't having PMS, the only reaction he had was to run out into the storm without a coat, as you were terrified of lightning Hey... - you recognize Oikawa's sad and regretful voice