"Did something interesting happen after that? Did you notice?"
"For a week, every day, the day went back again."
As the tutorial period was nearing its end, a catastrophe that defied the world's natural laws occurred.
A week-long loop.
The 100th loop, after relentlessly searching through the cracks in dimensions, found a time-space where he existed before awakening his regression ability.
Without looking back at anything else, he immediately barged into the heart of the Holy Office.
Coincidentally, a ritual was being held to commemorate the new month. He burned both the humans of the Holy Office and his past self to death.