Winning the high school team tournament was a great accomplishment for the Mizusawa members. Each of them has made great strides in improving themselves, and the victory symbolizes how far they've come. But after accomplishing one goal, their individual aims are within reach. Chihaya Ayase has her sights set on Wakamiya Shinobu and the title of Queen, and now that Taichi Mashima has made it into Class A, he can finally compete against Arata Wataya. Everyone in Mizusawa wants to get better, and there's no telling what the future holds if they keep trying.

Resolved to become a more independent person, Yukino Yukinoshita decides to smoothen things out with her parents, and the first step toward achieving that goal is to prove herself. As graduation draws closer for the third-year students, Iroha Isshiki—the president of the student council—requests a graduation prom in collaboration with the Volunteer Service Club. Yukino accepts this request of her own volition, hoping to use it as a chance to demonstrate her self-reliance, but what lies ahead of her may prove to be a hard hurdle to cross. Yahari Ore no Seishun Love Comedy wa Machigatteiru. Kan revolves around the graduation prom as emotions are poured into the preparations for the event. At the same time, a chance for the Volunteer Service Club members to better understand each other presents itself. And thus, Hachiman Hikigaya's hectic and bittersweet high school life begins to draw to a close.

Tiny schoolgirl Chiiko develops a crush on older boy Sally and believes herself to be his girlfriend, although Sally is already involved in a love triangle with a girl called Tonko.

The year is 1996, and second-year high school students Haruo Yaguchi, Akira Oono, and Koharu Hidaka live their lives as passionately about video games as they were five years ago. Brought together by arcade games, what began as a healthy rivalry and friendship has turned into something more. As they endeavour towards understanding their unfamiliar feelings, they work with allies, navigate high school, and find that, although life has its many challenges, there's always a game or two they can rely on.