One Piece Character x Reader Beach Day Part 1?

Grand Line High~ A school that was made to shelter, protect and teach students how to use their devil fruit powers and special fighting styles to protect and keep loved ones safe
Amazon Lilly Academy~ A school that was made for women who want to become stronger and to show their value
Marine Training High~ A school designed for only the toughest students
But.... What will happen when these three school must come together to protect their school, friends, even family?! PROTECT THEM READER!
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~