In a ruined world intertwined with steel gray and stardust purple, mechanic Su Lan repaired the broken order with cold wisdom. She is as lonely as the moon, rejecting all emotional warmth. Only precision gears and cold light flow through her fingertips. One night, the sleeping magician woke up from the ancient ruins, with unspeakable pain and emptiness, trying to find his lost soul. Mechanical rationality and magical chaos collided in front of Su Lan. She was forced to join hands with the magician to crack the mirror device that devoured memories and uncover the source of the collapse of the world. Faith and logic clash, and the indifferent Su Lan gradually sees the cracks in herself - she must make an irreversible choice between ruthless mechanical laws and seductive magical illusions. Desire is wrapped in truth, gears and spells are intertwined. Su Lan's final choice will determine the shape of the reconstruction of the world.