Ikuya Kirishima/Story

-Timeless Medley- Kizuna
In the beginning of Free!-Timeless Medley- Kizuna, it is shown that after Haru quit the swim club, Ikuya got mad at him leading to a situation similar to the fight between Haru and Rin that made Haru quit the swim club. Towards the end of the movie Sosuke witnesses Ikuya swim at nationals and is clearly shocked by what he sees. Ikuya is then shown discussing his current swimming progress with his brother over the phone.

-Timeless Medley- Yakusoku
In Free!-Timeless Medley- Yakusoku Ikuya was shown in Sosuke's flashback during one of the competitions. The flashback shows Ikuya swimming the individual medley and winning, surprising Rin as he said that Ikuya was Haru's friend. Sosuke tells Rin about Ikuya, stating that his swimming is the same as Haru's.