You are reading City of Zak Chapter 157. When Zak and the guardians left... The helpless people of Aria City were attacked. As the people despaired...There was a single gunshot: Zak was back. [Original Webtoon](https://www.toomics.com/webtoon/episode/toon/4858/) [Official English](https://toomics.com/en/webtoon/episode/toon/4858)