Kuro no Su: Chronus

Nakazono Makoto is a high school student with a small dark secret.

Since he was little, he has had the mysterious power to see grim reapers.

One day, he is suddenly confronted by one of the grim reapers, Seno Akira: "Will you get in our way?"

But Makoto replies with an air of resignation: "There's nothing I can do anyway, so I won't."

At that moment, Makoto did not know of the tough situation he'd later be facing ...