Even though it has been a year since the Iwatobi High School Swim Club has been created, new members have yet to join the club. Now that Haruka Nanase and Makoto Tachibana are senior students, along with their younger friends Nagisa Hazuki and Rei Ryuugazaki, they have to find a way to attract new members. If not, the club will be forced to close the following year due to a lack of membership. Meanwhile, with impending graduation, it is also time for the seniors to decide their plans for the future. Unlike their friend Rin Matsuoka, the new captain of Samezuka Academy Swim Club who is determined to fulfill his dream of being a professional swimmer, Haruka and Makoto are unsure about what career path they want to take. Further problems arise when an old friend of Rin's, Sousuke Yamazaki, comes to the city to study at Samezuka Academy; the recently scouted swimmer's arrival causes tension in the relationship among him, Rin, and Haruka.

Unaired episode included with volume 7 of the Blu-ray/DVD.

Nello Tarth is a poor but happy orphan who lives with his grandfather Jehan in a little village nearby Antwerp. Nello has a talent for drawing pictures and has been fascinated by it since he saw one of Rubens (a famous artist) pictures as a little boy. Helping Jehan with the daily milk delivery to Antwerp, Nello one day discovers Patrash, a working dog who has been mistreated and abandoned by his former owner. He treats the exhausted animal and after a little while a close and dependable friendship develops. Alois Cojez, the daughter of the richest and hence most influential man in Blacken Village, is Nellos best friend. When Nello decides to become an artist he has to experience firsthand the ignorance and cruelty of the villagers. Especially Alois father thinks of him as a slacker who cannot earn his living by drawing pictures. Nontheless Nello perseveres and never gives up to achieve his dream and to win their appreciation and respect while strenuously struggling with his poverty. (Source: ANN)

With the seniors having graduated from high school, the determined swimmers eagerly take on their futures with a dream to fulfill. Now attending Hidaka University in Tokyo, Haruka Nanase unexpectedly runs into Shiina Asahi, an old teammate and friend from his middle school days. Consequently, the troubling memories regarding his middle school swim team resurface, as it was a time when Haruka's views on swimming became negative and led him to quit the team. Haruka later reconnects with his other middle school classmates; all except for Ikuya Kirishima, who still resents Haruka for quitting the team, resulting in its disbandment. Aware of the issues between them, Haruka resolves to improve his friendship with Ikuya. However, he quickly realizes that making amends with an old friend isn't his only obstacle. Facing the reality and challenges of encountering higher calibre swimmers, Haruka must work hard to establish himself if he dreams of competing on an international level.