"Vow") is a song by Japanese American singer-songwriter Hikaru Utada.
Along with its English-language counterpart "Don't Think Twice", it serves as the ending theme song to the Square Enix video game, Kingdom Hearts III.
[1] "Chikai" first appeared on Utada's seventh Japanese-language studio album, Hatsukoi, and was also included on the setlist of their Laughter In The Dark Tour.
[2] The song and the English version "Don't Think Twice" were released as a B-side of the single "Face My Fears" as a CD single on January 18, 2019, making it their first release on the format in eleven years since their 2008 single "Prisoner of Love".
[3] On September 17, Utada performed "Chikai" live for the first time at Music Station Super FES 2018.