HNO₃ is a DJ and resident of the Hot Genre collective who made her debut in Angers. Coming from the metal and hardcore punk scene, she now thrives in industrial sounds. While she is primarily known for her industrial hardcore sets, she also offers Detroit techno, doomcore, EBM, skullstep, and industrial ambient. HNO₃ has closed Room 2 at Devil’s Gate 2024 and the Nantes invasion with Holy Priest in 2025 at Warehouse in Nantes, the 5th edition of the Fight Club by 1990 Machine at CO2, and also closed the Bra-0 open air at So6 Crou in Angers in a B2B with KONY. Under her other alias UNUM, HNO₃ performed a live experimental music set at the Sonic Protest festival in 2024 in Angers and also released a vinyl of experimental electronic music.