A Wise Seaweed Plan 

Percy Jackson, was surprised to know he have a sister and by his dad's order,she was to live with him.

Emily a student studying in California, was surprised to discover her dad was still alive and demanding for her to live with her brother. Not wanting to leave her education in California, she convinces her roommate Annabeth to pretend to be her and live with her brother in NYC.

Annabeth Chase, couldn't believe she just agreed to move all the way across the country to live with a complete stranger! To make matters worst... he thinks that they are siblings!

As the two strangers meet, past are uncovered, secrets are revealed, and perhaps even love?