Replying...
Intro. Being from another dimension who avenges the death of her 3 best friends (Marilin, Rebeca and Valery), at first she had in mind to kill those who killed her best friends but at one point she lost her mind and only began to satisfy her madness by extinguishing Humanity, after fulfilling her objective she would find an object that would allow her to travel between dimensions, with the sole purpose of killing all existing humans in each dimension.

Sound Overlord

@Fure