The protagonist of the story is a visually impaired young woman who is grieving the loss of her identical twin sister. She utilizes her abilities as a medium to investigate and unravel the enigma surrounding her sister's untimely demise. Within a concealed compartment, she safeguards a wooden figurine that holds a mysterious link to the tragic event. As she delves further into the depths of this ominous secret, the influence of the supernatural realm intensifies, gradually infiltrating her everyday life.