Haikyu!! follows Shoyo Hinata , who began playing volleyball after seeing the “Small Giant” who played the sport when he was in elementary school. He suffers a crushing defeat in his first and last tournament in middle school at the hands of his rival Tobio Kageyama. So, Hinata joins Karasuno High School’s volleyball team, vowing revenge against Kageyama.
However, Kageyama is also on Karasuno’s team. The former rivals form a legendary combo with Hinata’s mobility and Kageyama’s precision ball-handling. Together, they take on the local tournaments and vow to meet Kurasuno’s fated rival school in the nationals.
Source: Anime News network