Haruka who graduated from high school and came to sweet bonds connected to swimming to each future. Haruka is reuniting with Asah who swam in relays in the past in Tokyo. It reminds me of junior high school students’ memory. It was the appearance of Ikuya of “That time” that revived to its chest. Makoto who came up to the far away began to advance towards a new dream and Rin who left for Sydney fulfills an unexpected encounter in the new place. Is it a new battle that was awaiting them in each future? Or are you confronting the past that I’ve left behind … ….? Elementary school students, junior high school students, high school students, and college students. Friendship that young people have spun in the water and the story of youth are “Free! -Dive to the Future-“, it becomes one!