Itaru Baba is a multilingual vocalist and lyricist who is blessed with an "ultra-emo voice". Born in Japan, raised in China, and spent his youth years in Australia. He started his music career with arai tasuku in 2016. They have collaborated in various works that include "Dear Alice", "Nightmare Circus" and world's end girlfriend's remixed Last Waltz, and arai tasuku & Mili - Holy and Darkness 1 Full ver 2020.