In the "Ring of Hermes", the world of Dyson spheres surrounding stars, lies will turn into hurtful black smoke. Elios the Whisper Collector walks on the edge of life and death, selling last words. During a commission, he was forced to enter into a marriage contract with the ancient existence in the mirror, the "Mirror Shadow Lady", and the shadow began to betray him. When the shadows of all mankind unite to rebel, trying to erase the light and establish a two-dimensional empire, Elios discovers that his engagement is the key to the rebellion. He must use the final truth collected as a weapon to complete the most dangerous "divorce" agreement in the vortex of the shadow war, otherwise he will be dragged into the nothingness in the mirror forever.
