Steel and blood running through every single track. Zero Infinity and Vermilion share this combined OST that pulls from the visual novel's chuuni energy without ever sounding cheap. "Hagane No Eikyuu Kikan" (Steel Eternal Engine) opens with commanding intensity, setting up the whole supernatural battle aesthetic immediately.
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"Amai Sasayaki Wo Tsumuide" shifts into tender territory with this gentle melodic line that contrasts hard against the combat tracks. "Hagane To Hagane Ga Kanaderu Rhythm" is exactly the steel-on-steel clash the title promises, driving percussion and layered synths building to something overwhelming.
The quieter moments like "Shiokaze No Kaoru Machi" ground everything in small-town warmth. VN fans who dig light's catalog will feel right at home here.