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I don't know the work, but let's see if I get the story straight, going by what you said:
The work in question is called "Daughter of Evil", with a Fan Nickname of "Story of Evil".
The new work is called "Story of Evil".
In that case, the page should be moved to the official name. (Note that we do not necessarily use series names over first-work names in all cases, but when there is potential confusion it makes sense to do so.)

Due to the fact that the creator of the Evillious Chronicles has made a new Light Novel series called the "Story of Evil" separate from Evillious, I was hoping to change the "Story of Evil" Evillious character page to "Daughter of Evil" to avoid potential confusion, and because "Story of Evil" is a fan term while "Daughter of Evil" is the official name of the Light Novel series the characters come from.
There was a new page made for it and most of the other character pages linked to that, but it was (understandably) removed as being a duplicate. Can the Evillious Chronicles Daughter Of Evil page here be restored and the Evillious Chronicles Story Of Evil page here be deleted instead?