Kikuo

Kikuo is a producer with steady popularity. His songs are known for having dark subjects paired with upbeat music. His use of unique instrumental textures, harmonies, and sound effects, along with a high level of attention to detail, gives his music a singular sound.
He mainly uses Hatsune Miku in his VOCALOID songs and has made demo songs for Tone Rion, IA, Anri Rune, and Hatsune Miku V3.

(Source: Utaite Wiki)

Twitter: @kikuo_sound
YouTube: Kikuo