Lost Souls (Kiyoomi Sakusa x Named Reader Fanfic)

After Sakusa and Komori were saved by a mysterious woman and dragged into a secret rebel group, they decide whether or not to help them overthrow the leaders of Leyra who seem to be hiding a secret from everyone. But there are other matters in hand, there's a mole in the rebel group who's leaking information to the ones who call themselves the Advancers. Will the cousins discover who's the mole? Will they be able to overthrow the government with the help of this mysterious woman?