With Nodoka's Puberty Syndrome resolved, Sakuta's expectations to spend sweeter times with Mai is growing. But then, a scandal is reported by the media about Mai Sakurajima having a new boyfriend. In the press conference for a movie she had a role in, Mai gives a sincere explanation. Seeing that, Kaede decides to set goals for the rest of the year, wanting to do her best for Sakuta's sake as well. One of the goals she writes down is to go back to school...

In order to prepare for the Spring Tournament prelims, the Karasuno High School Volleyball Club joins up with other powerhouse schools from the Kanto region for a training camp. The members of the Karasuno Volleyball team wanted to change, and evolved, which allowed them to make it to the Spring Tournament preliminary semi-finals. Their opponent at the semi-finals is Aoba Johsai High School, who defeated them at the Inter-High prelims. Despite Karasuno vehemently attacking since the beginning of the match, because of Oikawa’s precise serves and their secret weapon Kyotani’s powerful spikes, the flow of the game ends up going to Seijoh. Karasuno tries to get their rhythm back in the match with Hinata and Kageyama’s new weirdo quick attack and their pinch server, Yamaguchi’s service ace. Karasuno gives their all against in this battle against their ultimate rivals!

The finals of the Miyagi prelims for the Spring Tournament... After defeating Aoba Johsai, Karasuno head toward their next match to qualify for the Spring Tournament. Their opponent is the undefeated champion Shiratorizawa, led by the high school prodigy, Wakatoshi Ushijima. From the beginning of the match, Karasuno gets beat down by Ushijima’s ferocious spikes. Even though they try to turn the tables, they are also shut down due to Tendo’s precise blocks. Is this a wall they will not be able to get over? The one who holds the key to turning the tables is the master of blocking, Tsukishima. Hinata and Kageyama manage to increase their intensity due to his calm and precise defense. Despite both teams have completely different play concepts, their intensity is the same. Who will be the ones who will laugh after this desperate struggle?

The war between the Earth Union and the People of Metus escalates in the wake of Cadillac’s public address. The Earth Union decides to enhance the Neo Durandal by using Romeo's D Riser as a support mecha.