Golden Dreg Quake, Book 1, Golden Dreg World: Baby Box Assassin (Dystopian Post-Apocalyptic Young Adult Series)

They are young. They are deadly. They are disposable. MaeAri Smith is an assassin who's now become the target. When she wakes up in a hotel room next to a dead man, she knows her time is running out. Her memory may have been partially wiped, but she remembers enough to know she's part of an assassin's group who kill corrupt world leaders. Now someone is trying to kill her. No one can be trusted. Not her parents. Not her friends. She's being tracked. Hunted. And somehow, she has to find the code to unlock her memory and figure out who wants her dead. One boy swears she can rely on him. But will she bet her life on it?