City of Fire and Ink

When Cha Seojun's grandad dies, he leaves her with a massive, but dangerous inheritance. Upon his death, Seojun learns about his true dealings with the gangs that run the city of Pardahna. The Lourdes Priori want their money back and if that means killing Seojun, then they will. Seojun dodges all sorts of threats in order to stay alive. Fed up with running, they decide to fight back, choosing revenge over fear. Soon, the title of Rani is just within reach, if only they're ruthless enough to take it

Cover credits to @anasianamateur