Kunimitsu Tezuka returns to Japan from Germany following a rehabilitation stint that sidelined him from his band. Meanwhile, the members of Aozu and Cap to Bin are preparing for a joint concert, but they cannot help but feel as though something is missing. When Tezuka reunites with the other eight members, they all vow to make it the best show ever.

The Seishun Academy Boys' Tennis team have gone off to the S.K.B Tennis Club for a one-day boot camp. The infamous "training from Hell" first tests the members as they run all the way up toward the mountainside club. Shortly after, they participate in specialized tennis practice that matches their specific playstyles. With the threat of Sadaharu Inui's new "Marvelous Surprise Inui Juice Excellent" awaiting any who fail to complete their daily tasks, the boys persevere through their exhaustion. A group of ill-mannered university students also arrive at the resort and demand to use the courts initially reserved for Seishun. Annoyed by their arrogance, Ryouma Echizen single-handedly challenges them to a match, with the winner claiming the right to the courts. Can the young freshman "super rookie" defeat the pompous team by himself?

Hyoutei Academy's excessively wealthy and prideful tennis captain, Keigo Atobe, decides to host a giant one-day inter-school festival in order to bring together the middle school tennis circuit. The festival exudes class and wealth, befitting its host. The extravagant occasion is filled with many attractions, with the most major event being a fierce relay race between all of the schools in attendance. However, Atobe has his own reasons for hosting this Super Tennis Festival; it seems that the special day is all for a certain someone among the festival attendees.

Singles 3 - Tezuka Kunimitsu vs. Sanada Genichirou

Doubles 2 - Inui-Kaidou vs. Yanagi-Kirihara

Singles 2 - Fuji Syuusuke versus Niou Masaharu

Doubles 1 - Ooishi-Kikumaru vs. Bunta-Jackal

Singles 1 - Echizen Ryoma vs. Yukimura Seiichi, 1 of 2

Singles 1 - Echizen Ryoma vs. Yukimura Seiichi, 2 of 2 (end)

The New Year has finally arrived for the Seishun Academy Boys' Tennis Team. As part of the festivities, Ryouma Echizen and his fellow first-year club members—Satoshi Horio, Kachirou Katou, and Katsuo Mizuno—celebrate by reminiscing about the past year. As the freshmen revel in nostalgia, it seems as if a strange hanetsuki tournament has begun among the rest of the team.

Seishun Academy faces off against Rikkai University-Affiliated Middle School in an unofficial rematch. Instead of playing tennis, the players end up getting distracted by a game of Acchi Muite Poi and a battle between whose data is superior.

Mysterious love letters are appearing in shoe lockers at Seishun Academy. Sadaharu Inui sees this as a perfect opportunity to observe the regulars' response to receiving a love letter addressed to them.

Seiichi Yukimura asks his vice captain, Genichirou Sanada, to be the model for his next painting. Unfortunately, Sanada's reluctance doesn't seem to be doing anything for Yukimura's creativity.

The Rikkai University-Affiliated Middle School's Boys' Tennis Team stumbles upon a strange bottle. Inside, a cryptic message asks for the recipient to add another item to the bottle and toss it back into the river. Having broken the container to read the note, the team puts it back together with tape and includes a few extra items before sending it on the long journey back to its owner. However, the bottle ends up washing ashore elsewhere, and the tennis team from Seishun Academy finds it instead.

Fudomine Middle School's tennis captain, Kippei Tachibana, asks rival school captains Kunimitsu Tezuka, Keigo Atobe, and Kuranosuke Shiraishi to assist him with his team's practice. Shiraishi's teammate, Koharu Konjiki, decides to tag along in hopes of being able to see his crush. Instead, Konjiki ends up becoming infatuated with both Tezuka and Atobe and struggles to pick between the two.

Seishun's Shuusuke Fuji asks his younger brother Yuuta to go shopping with him to pick out a present for their older sister's birthday. As they proceed with their plans, Yuuta's teammates from the St. Rudolph Academy tennis team catch a glimpse of the two brothers and initially think nothing of it. However, St. Rudolph's manager, Hajime Mizuki, misinterprets the situation and believes Shuusuke is trying to get Yuuta to transfer back to Seishun. In an effort to stop his plans, Hajime forces the team to secretly follow the brothers around.

Rikkai University-Affiliated Middle School's Akaya Kirihara always seems to get himself into sticky situations. Out on a shopping trip with Bunta Marui and Jackal Kuwahara, Kirihara bumps into Seishun's Takashi Kawamura, causing a stuffed toy Kawamura was carrying to go flying into a nearby dog's mouth. The two begin to chase the dog in order to get the toy back. Kawamura later recounts the story to Yamabuki Middle School's Jin Akutsu, who seems less than enthused about the ordeal.

Seishun's Eiji Kikumaru shows up to morning tennis practice tired after staying up late at night to play Kai☆Para, a new online game. Vice-captain Shuichirou Oishi seems perplexed by the concept of an online game, which shocks his teammates. Eiji convinces his doubles partner to log onto the game later that night but fails to tell him the full name of the game, causing Oishi to play a different game instead that uses the same moniker.

Rokkaku Middle School's tennis captain, Kentarou Aoi, is jealous of his teammate Kojirou Saeki and Yamabuki's Kiyosumi Sengoku, both of whom can effortlessly attract women. Overhearing his troubles, Shitenhouji's Konjiki decides to tell him the secrets to winning over a woman's heart.

After coming to afternoon practice late, Hyoutei Academy's Choutarou Ootori accidentally overhears the team's third years discussing who will become the captain once they graduate. Ootori's doubles partner, Ryou Shishido, states that between him and Wakashi Hiyoshi, he would choose Hiyoshi to lead Hyoutei. This upsets Ootori greatly and the two end up fighting during practice. In an effort to cool down, Shishido sets out to train on his own but runs into Seishun's Kaoru Kaidou, who offers his two cents on his situation.

After knocking over a display stand, Higa Middle School's Yuujirou Kai bumps into Hyoutei's Hiyoshi, knocking his contact right out of his eye. As Hiyoshi searches for his missing contact, his teammate Yuushi Oshitari and Seishun's Sadaharu Inui begin to argue over what type of glasses would best suit him.

Seishun's Ryouma Echizen and Takeshi Momoshiro are invited by Rikkai's Genichirou Sanada to their school's Ocean Festival. The tennis team is putting on a "Cinderella" play for the festival with Kirihara playing the main role, though the second-year ace is reluctant to be wearing a frilly pink dress for the part.