Chronus: Makoto Nakazono is a high school student with a small dark secret. Since he was little, he has had the mysterious power to see "black entities" that steal souls. One day, he is suddenly interrogated by one of the "black entities," Akira Seno: "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 didn't notice the threatening shadow approaching his childhood friend Hazuki...