Constantly outperformed by the girls' club, the boys' soft tennis club faces disbandment due to their poor skills and lack of positive results in matches. In desperate need of members, Toma Shinjou is looking to recruit capable players, but he fails to scout anyone. Enter Maki Katsuragi, a new transfer student who demonstrates great reflexes when he catches a stray cat in his classroom, instantly capturing Toma's attention. With his interest piqued, Toma ambitiously asks Maki to join the boys' team but is quickly rejected, as Maki doesn't wish to join any clubs. Toma refuses to back down and ends up persuading Maki—only under the condition that Toma will pay him for his participation and cover other club expenses. As Maki joins the team, his incredible form and quick learning allow him to immediately outshine the rest of the team. Although this gives rise to conflict among the boys, Maki challenges and pushes his fellow team members to not only keep up with his seemingly natural talent, but also drive them to devote themselves to the game they once neglected. This story focuses on the potential of the boys' soft tennis club and their discovery of their own capability, while also enduring personal hardships and dealing with the darker side of growing up in middle school. [Written by MAL Rewrite]

The science lessons are short "omake" bonus features originally present on the first two volumes. Each short lasts around two minutes, and stars super deformed versions of Noriko, Kazumi and the Coach explaining the various scientific aspects of the series. (Source: Wikipedia)

Wall Sina, Goodbye Annie Leonhart has a job to do—and a resulting absence that must stay off her record at all costs. With no one else to turn to, she asks her comrade Hitch Dreyse to cover for her. She agrees but puts forward a single condition: Annie must solve the fruitless missing person case Hitch was assigned. The case revolves around Carly Stratmann, a university graduate and the daughter of wealthy businessman Elliot Stratmann. With only a single day to solve the case and the underground of the Stohess District crawling with thugs, Annie must put her all into finding this girl. Yet, every answer she uncovers only leads to further questions—how has the illegal drug coderoin found its way to Stohess, what is Elliot hiding, and where has Carly disappeared to? Lost in the Cruel World With worry for Eren Yeager gripping her heart, Mikasa Ackerman begins to remember. She remembers her conversations with Armin Arlert, her concern for her friends, and most painfully, the time she had almost lost everything. As fear takes control, she begins to experience an alternate version of her past—some things can be changed, but are there events so inescapable that she can't even prevent them in her dreams? [Written by MAL Rewrite]

Fumiya Tomozaki is Japan's best player in the online game Attack Families, commonly known as "Tackfam." Despite holding such a revered title, a lack of social skills and amiability causes him to fall short in his everyday high school life. Failing to have any friends, he blames the convoluted mechanics and unfair rules of life, forcing him to give up and proclaim himself a bottom-tier character in this "game." After a fateful meeting with another top-tier Tackfam player, Fumiya is shocked to discover the player's true identity—Aoi Hinami, a popular, smart, and sociable classmate who is the complete opposite of himself. Aoi, surprised at how inept Fumiya is at everything besides Tackfam, decides to assist him in succeeding in what she calls the greatest game of them all. Through the gruesome ordeals of social interactions and relationships, Fumiya begins to advance tiers in the glorious game of life. [Written by MAL Rewrite]