Revenge of Existance A good yet bad

A woman name Naruku Yuuki is a mother caring who forget that she is an otherworldly being but because of the tragic happened, the agony and wrath slowly overwhelm her and now she becomes a monster like-creature but even that's the case she still has will to take all the people who dirty or scums who only know is to kill innocent people and take revenge for whats those guys that killed her love ones.