If I Could Become a Comet

Psychological

Music video for the song Daisan no Shinzou, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku. Note: There exists two versions of this song; the first being a vocaloid version featuring Hatsune Miku uploaded on May 15, 2021 and a self-cover version by Harumaki Gohan, which was uploaded later on May 23, 2021.

Music video directed and animated by Harumaki Gohan for the song Reunion by Harumaki Gohan.

Slice of Life

Music video for the song Hotaru wa Inakatta, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku.

Psychological

Music video for the song Mikage Nikki, directed, animated, and musically written by Harumaki Gohan, featuring vocals by Hatsune Miku.

Music video for the song Himitsu, directed, animated, and musically written by Harumaki Gohan. Note: This entry contains two music videos, each featuring a different lead character and singer; one is a self-cover by the artist on Harumaki Gohan's YouTube channel, and the other a Hatsune Miku version uploaded to Harumaki Gohan's Niconico account, which was released on the same day.