After a two-year coma following a tragic accident, Shiki Ryougi awakens with amnesia and a deep sense of isolation. She discovers an unsettling ability to disassemble objects by touching the enigmatic lines surrounding them, a power tied to her 'Mystic Eyes of Death Perception.' With the aid of her friend Mikiya Kokutou and mage Touko Aozaki, Shiki delves into unraveling the mysteries of her unique eyes and learning to harness their true potential.