Rereadable

The day I lost my boyfriend to my best friend, I fell into the Han River by mistake.
And when I woke up, I became a famous duke's daughter named Chartiana Altizer Cailon - who's known as the villain!?
"I've already chosen my empress, and you're just pawn."
"I will be the empress of the Empire."

“All I ever did was live my life as best I could, but my fiancé ended up being stolen by my rival, and the man I fell in love with at first sight also loves her too...
Gosh, what's so great about her, exactly?"
A novel finds its way into the hands of the tormented Ginger Torte. In this strange novel, which revolves around Ginger and her rival Lerajie, Lerajie is the female lead and Ginger is the villainess...?