Former ace runner Kakeru grudgingly returns to the sport when college senior Haiji recruits him to an unlikely team with one goal: the Hakoden relay.

Kakeru, a former elite runner at high school, is chased for stealing food. He is saved by Kansei University student Haiji, who is also a runner. Haiji persuades Kakeru to live in the old apartment "Chikuseisou" where he plans to team up with fellow residents to enter Hakone Ekiden Marathon, one of the most prominent university races in Japan. Kakeru soon finds out that all of the residents except for Haiji and himself are complete novices.

《排球少年！！ TO THE TOP》是改编自古馆春一创作的漫画《排球少年！！》的第4期电视动画。于2020年1月播放。
在春季的高中排球宫城县预选赛中，乌野高中排球部在激烈的竞争中胜出，最终决定参加全国比赛。
面对全国大赛，他们收到了影山召集全日本青少年强化集训的通知。
此外，月岛也将参加宫城县1年级选拔强化集训。
对同为1年级生的差距感到焦虑的日向，也在为宫城县1年级选拔强化集训而努力……!?
面向全国正式比赛,向阳,影山,还有乌野高中排球队部的更大的挑战开始⸺! !

Mizuki Hijiri, is a high school girl who just transferred schools. At her new school, she has a fateful encounter with boys suffering from chuunibyou (adolescent delusions of grandeur). There is Noda who dreams of becoming a hero, the tragically handsome otaku Takashima who only likes 2D girls, Nakamura the supposedly "reincarnated" angel or devil (he can't decide which), and the self-professed string-puller Tsukumo.