Percy Jackson left Camp Halfblood after the Second Giant War killed the Seven, and many other campers, all of which she knew the names of. She returned home to find her mother, Paul, and her little sister dead. She was sent to live with her uncle, who hasn't seen her since she was six.
It's a first day of summer. Kuroko Tetsuya, a 16 years old boy, just wake up to start his day. He start his days with taking a bath, repairing his bed-hair, eat his breakfast and go to school. After all of the GOM arrive at school, their captain, Akashi Seijuurou, tell them to gather and tell them something. What will...