Some are born with digital lifeforms inside them, eventually, they shall form a sport of, "Soul" inside them. They become Digimon that represent the user's soul. They are called, Digimencors. Taishimu, a high school boy without Digimon, discovers his ability as a Digimencor. It puts him in a whole new layer of the world, of things unseen. Fighting those possessed Digimon of sin.