Love of letters

This book is about two teens who communicate through letters, loving each other from far. It kinda explains how long relations ships are.
In this story, Ocean, A french girl from Quebec meets Zay, a girl in the US a famous app called amino.
Together, they turn to just roleplay buddies to BFF'S and more? After a few months of texting each other, they decide to send each other a package with a few things.
That is where our story starts, where Ocean sends her first letter.
They both sent the packages at the same time, so we will see both of their starters.

Where will those two girls go? what will happen? Will they become more than friends? Fall in love? Will Ocean get friendzone? Nobody knows.