The episode reinforces that for Hinata and Kageyama, volleyball is not just a hobby but a necessity that drives them to overcome even their greatest weakness: academics. Production and Reception
While primarily comedic, the OVA provides significant insight into the bonds within the Karasuno team: Haikyuu!! OVA Episode 2
Hinata and Kageyama, whose lives revolve entirely around volleyball, are revealed to have failing marks (initial scores as low as 21 and 38). The episode reinforces that for Hinata and Kageyama,