Both men and women possess the ability to manipulate their shadows and shape them according to their wishes. This exceptional talent is called "Shadow User," acquired after enduring a traumatic occurrence that leaves an individual feeling desolate and gloomy. Cole is a Shadow User, but unlike the rest, his shadow, Shiva, was once a living being. Determined to reverse Shiva's transmutation and return him to his original human form, Cole embarks on a quest to unravel the mystery behind the transformation and bring those responsible to justice.