Read manga: Tanabata No Kuni

manga
Artists: Iwaaki Hitoshi
Status: completed
Latest chapter: Vol.4 Chapter 28
Updated at: Aug 25, 2019
Summary:

Basically, some humans have the ability to negate a sphere of reality, neatly removing it from existence. This gradually alters their appearance until they become a hideous alien, with a giant eye in their forehead.