As Shirona Tsukisuzu's colors and tones overlap, they begin to spin a tale of determination despite it being shapeless and incomplete. However, as time passes by, her feelings gradually become stronger—like notes in a crescendo. [Written by MAL Rewrite]

Official music video for the song Crescendo Story by the fictional band Irodorimidori. It is the 28th song in the franchise and focuses on Shirona Tsukisuzu. The song was included with the third full Irodorimidori album titled "Sotsugyou," released on September 26, 2018.