Junko Hiroshige has performed with Hijokaiden as a vocalist since 1982 (Chutter, 2014). She has appeared on all official Hijokaidan records since (Discogs, n.d.). She is known for her powerful, relentless voice, and confrontational voice (Chutter, 2014). The uniqueness of her voice has recently gained increasing Western attention, and Junko has been involved in a number of recent collaborations with musicians from outside the Japanese noise scene.

Junko has collaborated and performed with the French industrial/Noise guitarist Michael Henritzi (of Dustbreeders) on multiple occassions (Bell, 2015). Junko’s 2002 solo album was released by Élevage De Poussière, a French label who have also released Dustbreeders EPs (Discogs, n.d.b). In 2012, they released the live album Live/Dead with the Belgian experimental label, Les Champs Brûlent. Junko has also worked with the Scottish noise artist Lea Cummings (Kylie Minoise), releasing Nature in 2012, with British label Dirtier Promotions. In 2013, Junko released Sans Palatine Uvula with Sutcliffe Jugend (featuring Kevin Tomkins, formerly of Whitehouse). Junko has released two records with the Basque experimentalist, Mattin. - Mapping Japanese Noise