The Tyrant Fake Wife

Athy Fern is your average 22 year old girl. Her love life is hopeless as she can't get a boyfriend. Each time she tried to date someone, it never ends up well. It feels like she is bound to be forever alone. One day, Athy decides to go see a love fortune teller in which, she ends up buying a love potion to help her find love. Later that night, after drinking the love potion, she falls into a deep sleep. She wakes up to find herself in the body of someone else named Loraellia Wistern. It seems like she is in a story but doesn't know what story. She also finds out that she is married to a tyrant ruler! How will she play off as his wife when she never had any luck in love?