The story tells the most popular and exciting garbage dump showdown in the super popular and passionate IP "Haikyuu!!" that has been popular for ten years. Hinata Shoyo joined the Karasuno High School Volleyball Club because of his dream of becoming a "volleyball giant" and gradually became a capable deputy attacker. In the spring high school volleyball match, the Karasuno High School Volleyball Club finally ushered in a formal match with the Nekoma High School Volleyball Club. As "fallen giants", the two teams admire each other, but have never stood on the same stage for a formal competition. The long-standing entanglement has finally come to an end, and a "only once" fateful duel is about to begin! Flap your wings and strike, young people with dreams!