I think you’d like this story: “Skull Fetish (WIP)” by unsaintly-author on Wattpad Skull Fetish

Her parents murdered in front of her, Fay and her sister were taken and used in a governmental scheme of creating the perfect assassin. Sister unknowingly pitted against sister to test the strength of the memory wipe and chip installed in both girls’ brains at a young age. What will happen when they come face to face?