Announcement
The manga's serailization was announced on Comic Zero Sum's twitter on March 26th, 2020.
It was announced with this image:
Chapter One
The manga's first chapter included colored illustrations in celebration. These were posted April 28th, 2020.First Cover
Promise of Wizard recieved its first cover within Comic Zero Sum within the July issue of 2020. It was announced on twitter on May 25th 2020.
August Issue
The next previews were released on twitter on June 26th 2020.September Issue
The next previews were released on twitter on July 28th 2020.October Issue
The next previews were released on twitter on August 28th 2020.November Issue
The next previews were released on twitter on September 28th 2020.December Issue
The next previews were released on twitter on October 28th, 2020.Volume One Announcement
The first volume was announced during a livestream held by coly to celebrate the first anniversary of Promise of Wizard. The first two images were posted in celebration on November 23rd and November 24th.