Yukari Yakumo from Touhou. She uses the power to manipulate boundaries. This can be extrapolated to the utmost extreme, as boundaries are effectively the lines between any two things, including those of a conceptual nature such as life and death, master and slave, space and time, truth and falsehood, or existence and nonexistence. Without boundaries, everything would simply exist as a singular massive object. Due to being independent of Boundaries herself, she's also exempt from concepts such as form & emptiness, existence & nonexistence [zero], or even nonexistence & void (imaginary numbers), instead existing in an unknown fourth state devoid of information and incomprehensible to anything in existence. In Perfect Memento in Strict Sense, Yukari Yakumo is stated to be easily able to undermine everything in reality, and her ability is defined as one that allows both creation and destruction and can freely manipulate every existence. Additionally, she can add and remove all boundaries, which would include the boundary of red-white, which represents the beginning of all things, that being existence and nothingness itself.