Atsuro stopped walking and turned around to face Naoya,a bit quicker than he intended.

"That's right. While he did talk to and hear out Remiel, Kazuya never went with becoming the Messiah." Atsuro initially have his misgivings over that idea. Other than the unfortunate association with the angels, who never gave him a very good impression in the first place, it means Kazuya will have to change. "...In my timeline, he went along with my plan."

The plan to control the demons for humanity's use.