Fe3O4: BREAK is the second mini-album released by NMIXX. In the mini-album's title, "Fe304" refers to the chemical compound black iron oxide. The song "DASH" was used as the lead track.
Physical Covers
MIXX BLOOD ver. Covers
SQUARE ONE ver. Covers
Oricon Chart Positions
Despite being a Korean release for NMIXX, the mini-album still managed to chart on the Japanese Oricon chart.