Sinner (The Story of Rebecca De Keizer)

Based on the Attack on titan(Hajime Isayama) time line, Rebecca's story sets from the Marleyan continent's region. Being born as result of harassment, Rebecca's story is themed by blood shed, trust, manipulation and sexual aspects. Growing up with the knowledge of how the world works, Rebecca gains an advantage of becoming one of the greatest governmental assassins known in many countries. Through special training and her unexpected company, Kevin Ozdemir, they set out for days, even months in various disguises in order to deliver requests made by their clients. The story takes mild turn when Rebecca makes a decision that would change her and Kevin's lives for the worst.