Poka Poka PlanetPoka Poka no Hoshi
Music

Yakusoku (2019)The Promise約束 (2019)
Music video directed, animated, musically written, and performed by Harumaki Gohan for the song The Promise by Harumaki Gohan.
Note: There exists two versions of this song; the first being a self-cover version by Harumaki Gohan on YouTube, and a vocaloid version featuring Hatsune Miku on NicoNico.