As the seasons quickly change, Nagi Kobotoke ponders about what she will experience while she moves forward. Unable to stop the overflowing melodies within her heart, she also searches for the meaning of the time that continues to pass. [Written by MAL Rewrite]

Official music video for the song Trust by the fictional band Irodorimidori. It is the 16th song in the franchise and focuses on Nagi Kobotoke. The song was included with the second full Irodorimidori album titled "Suisen," released on November 1, 2017.