Available as a DLC for owners of the game on Steam.
Album was composed by and was released on June 19, 2018. Soundtrack consists of 19 tracks tracks with duration over . Album was released by MoeNovel, Steam.
CD 1
| 1 | Step into the Ocean | | |
| 2 | Life is an Adventure | | |
| 3 | Blonde Haired Girl | | |
| 4 | Charming Cocoa Brown | | |
| 5 | Sunshine Coast | | |
| 6 | Moonlight Swim | | |
| 7 | Outrigger Canoe | | |
| 8 | Best Buddy | | |
| 9 | Have a Good Dive! | | |
| 10 | Living Nature | | |
| 11 | Dolphin's Whistle Eee! Eeee! | | |
| 12 | ~~Southern Island~~ | | |
| 13 | Descending | | |
| 14 | How Deep | | |
| 15 | Maritime Accident | | |
| 16 | Beyond the Sea | | |
| 17 | Open Water | | |
| 18 | Crystal Clear | | |
| 19 | See you again | | |
