Doomsday Zombie Queen

Struggling in the abyss of the apocalypse, having experienced the death of loved ones, she sealed her fragile heart and became cold and strong.  
Unexpectedly acquiring a time-space ring, she fled in panic during an invasion, only to be tragically bitten by a zombie. When she awoke, zombies would detour around her, acting like slaves under her command. She had become the strongest among the zombies, with a mere flick of her finger summoning an army of tens of thousands. Any worthless man? They all met their end.  
Blood, humans, all became her delicacies, flesh, flesh, flesh, she craved it! 
To conceal her identity, she decisively joined the human army.  
Yet, what she witnessed was the annihilation and horror of human nature!
Setting off to search for her brother, she opened the time-space portal of the 21st century, traveling between two worlds, crafting her own legendary life. 
And in the struggle between humans and zombies, who will lose, who will win, or will she ultimately become the queen of that world?