You should check the light novel:
An Otome Game’s Burikko Villainess Turned into a Magic Otaku
There the battle is much more pierce!xD
Spoiler
The villain reincarnated as the Otome protagonist actually is not a snob like in this manga but, really come to hate the reincarnated mc because she was changing the world and characters of the game with her actions.
You should check the light novel:
An Otome Game’s Burikko Villainess Turned into a Magic Otaku
There the battle is much more pierce!xD
Spoiler
The villain reincarnated as the Otome protagonist actually is not a snob like in this manga but, really come to hate the reincarnated mc because she was changing the world and characters of the game with her actions.
Reincarnation vs reincarnation
Σ( ￣□￣||) such twist