Satake Hirofumi, an "Undeadman" who has endured countless brushes with death, is on death row after being convicted of killing his fiancée. His extraordinary nature draws the attention of the "Human Crazy University," a research facility dedicated to studying real-world miracles and the individuals involved in them.
Brought in as a test subject, Satake shares the story of his eternal yet tragic existence. The truth behind his fiancée's death gradually uncovers a far-reaching conspiracy.
