Juka is a japanese solo artist signed to Kamijo's label Sherow Artist Society. He is a support vocalist for HIZAKI grace project and ex-vocalist of Moi dix Mois(since 2002 - till 2006). And he also performed as "Darkness" in ノード・オブ・スケルツォ/Node of Scherzo. Juka paused his activities in December 2007 due to health problems (throat problems), but in summer 2008 he returned to the music scene by participating in a session band on August 6th.
In 2009 he changed his stage name to Shaura and started a short-term project called Xover, then in the end of the year he creates a band called VII-Sense.