The fourth soundtrack project inspired by the world of the fantasy novels "Celestial Blue" and "Evergreen" written by Akiho Minazuki.
This music expresses the world that overlaps with the novel with a magnificent arrangement of piano, strings, brass, etc. under the theme of "SORA (sky / universe)” that nurtures all life on earth.
The original soundtrack album of the movie “The Robot Repairboy” (directed by Jukou Tanaka / 2021). -Theme song "Yusuge" sung by Akiyuki Murashima, "Morning Sun" and "Deer's March" by Masato Anjou & Yuusuke used in the impressive scenes in the play, and "Reunion" sung by iyo etc.- This album contains 29 songs that are reminiscent of the feelings of the main character, Rintaro and Suzume, and the beautiful nature of Lake Haruna.