Despite a strong field, the Karasuno High volleyball team advances past the preliminary round of the Harutaka tournament in Miyagi prefecture to reach the third round.

Yuta Okkotsu, a high schooler who gains control of an extremely powerful Cursed Spirit and gets enrolled in the Tokyo Prefectural Jujutsu High School by Jujutsu Sorcerers to help him control his power and keep an eye on him.

Determined to be like the volleyball championship's star player nicknamed "the small giant", Shoyo joins his school's volleyball club.