"Haikyuu!!" is a popular Japanese manga and anime series created by Haruichi Furudate. It follows the story of Shoyo Hinata, a high school student who dreams of becoming a great volleyball player despite his short stature. After being inspired by a famous player known as the "Little Giant," he joins the Karasuno High School volleyball team and works hard to improve his skills. The series highlights themes of teamwork, perseverance, and friendship as Hinata and his teammates, including Tobio Kageyama, face various challenges in their quest to compete at the national level. "Haikyuu!!" has gained a large fanbase for its engaging characters and exciting volleyball matches.