Yakusoku

Yakusoku is a Blue-type song, sung by Ryoma Echizen. It is one of the songs from the Court Ladder Tournament.

It was part of the following Court Ladder Tournaments:
 * August 28, 2021
 * November 12, 2021

Trivia

 * The album cover and song comes from the album Yakusoku | We Love SEIGAKU -With Thanks. It was released on April 13, 2005.
 * "Yakusoku" (約束) translates to "Promise".