Koushaku Reijou no Tashinami

A woman gets hit by a truck and gets sent to the world of an otome game that she had played earlier that same day. However, instead of reincarnating into the main character and focus of the harem, she is fused into the soul of the game's antagonist, the protagonist's rival, and recalled this at the moment she is about to be sentenced to a "bad ending:" isolation in a nunnery.Watch as she uses the knowledge from the modern world and her past life's job to change this world set in Medieval times!