Mad Hat (Original Publisher)

The immortal sinner, who had lived for more than a hundred years, essentially had a fragile heart. That’s why, when he discovered that the disciple he regarded as a son had betrayed him, he felt more sorrow than anger and, instead of seeking revenge, he chose to disappear. And so, ten years passed. The problem…

Shin Haesu, a police officer specializing in excessive suppression, gains the ability to go back 60 minutes.