"Sono Saki e" (To That Future) is the opening theme for Kujira no Kora wa Sajou ni Utau (Children of the Whales), performed, written, and composed by RIRIKO with arrangement by Atsushi Harada. Released on October 25, 2017, the song features emotional lyrics about destiny, hope, and the search for answers in a world of sand. The full track, including the b-side "Kaze no Uta," is available for listening on various streaming platforms. You can find the full lyrics at: Smule (Lyrics/Romaji) YouTube (Official Video) Spotify (Audio)