The official website for four-member Japanese rock band Hitorie announced today on April 8 that its vocalist/guitarist wowaka passed away on April 5 due to acute heart failure.
His funeral was already conducted by his relatives. wowaka started his musical activities by posting his first original Hatsune Miku song “Gray Zone nite.” onto Nico Nico Douga in May 2009.
His popular vocaloid songs include “Ura-omote Lovers” (Miku/August 2009), “Rolling Girl” (Miku/February 2010), “World’s End Dancehall” (Miku & Megurine Luka/May 2010), and “Unhappy Refrain” (Miku/May 2011).