Aligned: A KOTLC and HoO crossover {SLOW-ISH UPDATES}

This is the sequel to 'Kotlc Sleepover', but can be read alone. When monsters start appearing in the Forbidden Cities, Sophie and her friends are sent by the Black Swan to investigate. They are sent to a human school in Manhattan, where they meet some other teens, Annabeth Chase, and Percy Jackson. Turns out they are...