Haruka, who is attending college in Tokyo, meets Asahi again and reawakens his memories from his middle school years, including those of Ikuya. Makoto is working toward a new dream while he is in Tokyo together with Haruka. Rin has an unexpected meeting in Sydney.
3 - 1Sprouting Dive Start! Jul. 12, 2018
3 - 2A Promise on a Shooting Star! Jul. 19, 2018
3 - 3First Swim in Another Country! Jul. 26, 2018
3 - 4Interference of Loss! Aug. 02, 2018
3 - 5An Ominous Workout! Aug. 09, 2018
3 - 6The Mermaid of the Abyss! Aug. 16, 2018
3 - 7A Solitary Medley! Aug. 23, 2018
3 - 8Metamorphosis of the Soul! Aug. 30, 2018
3 - 9Interval in the Evening Calm! Sep. 06, 2018
3 - 10The Grab Start of Hope! Sep. 13, 2018
3 - 11Streamline of Unity! Sep. 20, 2018
3 - 12Dive to the Future! Sep. 27, 2018
