At the Cost of My Deafness, I Hear the Memories of All Things

A restorer who can hear "sound memories" receives a mysterious letter one day and has since been involved in a supernatural conspiracy surrounding "doors" and "sounds". As the truth was peeled back layer by layer, he was forced to face the memory that had been deliberately erased five years ago, and gradually discovered that there was an inseparable echo of fate between himself and that door.