Inspired by a small-statured pro volleyball player, Shouyou Hinata creates a volleyball team in his last year of middle school. Unfortunately the team is matched up against the "King of the Court" Tobio Kageyama's team in their first tournament and inevitably lose. After the crushing defeat, Hinata vows to surpass Kageyama. After entering high school, Hinata joins the volleyball team only to find that Tobio has also joined.
In the distant future, mankind has lived quietly and restlessly underground for hundreds of years, subject to earthquakes and cave-ins. Living in one such village are 2 young men: one named Simon who is shy and naïve, and the other named Kamina who believes in the existence of a “surface” world above their heads.
When five lovely young girls who hate studying hire part-time tutor Futaro, he guides not only their education but also their hearts. Time spent has brought them all closer, with feelings growing within the girls and Futaro. As they finish their third year of high school and their last school festival approaches, they set their sights on what’s next. Is there a future with one of them and Futaro?
