"Haikyuu!!: To the Top" Season 4, Episode 4, titled "Take It Easy," centers on Hinata developing his analytical skills while acting as a ball boy, alongside Kageyama facing elite competition at the National Youth Training Camp. The episode marks a pivotal character study as Hinata helps another player, Yudai Hyakuzawa, while Kageyama is challenged by star setter Atsumu Miya. For a detailed breakdown of the episode, read the full review at OtakuOrbit . Haikyuu!! Fourth Season, Episode 4: Recap and Review