Just how fast the night changes! - Seijoh x Kageyama One shot

Tobio waved good bye to Hinata and the others and walked into the bus that'd take him home, not expecting to see the whole Ex Seijoh team in it. What are they doing here? Oikawa had come back from Argentina for a few days to see his family and friends, he was oh so not expecting to see his Ex Kohai in the bus! Or A on...