Yu Luna, a modern social animal suspected of sudden death from excessive overtime, was lucky enough to get a chance to return to reality, but only if she succeeds to capture all the male protagonists in a Western fantasy-themed Otome game.
If you have the aura of a heroine, even if you haven't played Otome games much, it should be okay, right?
But how could that I have crossed to be the good-for-nothing daughter who often bullies the heroine in the game!