Haikyu is a popular sports anime and manga series created by Haruichi Furudate. The story revolves around a high school student named Shoyo Hinata, who becomes inspired to play volleyball after seeing a small-statured player nicknamed "The Little Giant" on TV. Hinata joins his high school's volleyball team, but is initially the only member, and must recruit other players to form a complete team.

The series follows Hinata and his teammates as they work to become a formidable volleyball team and compete against other high schools. Along the way, they face challenges both on and off the court, and must learn to work together to overcome their differences and weaknesses.

The series is known for its intense and dynamic volleyball matches, which are filled with strategy, teamwork, and individual skills. It also explores the personal growth and development of the characters, and their relationships with each other.

Haikyu has been praised for its realistic depiction of volleyball, as well as its well-developed characters and emotional storytelling. It has been adapted into an anime series, multiple films, and a stage play, and has gained a large and dedicated fanbase.