Ametsub is 23 years old, and based in Tokyo. He participated in "forma 2.03" released in 2003 by PROGRESSIVE FOrM (Aoki Takamasa, Hanno Yoshihiro, etc) and gained the reputation of the best musician from "forma. 2.03" (he was 20 years old at the time). He also organised an event called 'Drizzlecat' as well as participating on a various artists compilation released by ROMZ Record (Kid606, COM.A, Matmos). One may describe the sound of his woks as nostalgic and melancholic while conveying beautiful and dark imagery. Ametsub released his first album 'Linear Cryptics' on PROGRESSIVE FOrM in July 2006.