Cana had an instresting bet she wanted to make with the guild members. ErLu story

High School AU/ Modern AU Lucy and Erza have been best friends since 7th grade. It's their sophomore year, and Erza starts to feel butterflies when she's around Lucy. Lucy has crush on Erza since freshman year, and is very conflicted on her feelings for her best friend. Will they confess their feelings for each other? There might be some other ships like Gratsu, but ErLu will be the main ship.