You and Hana had been friends since middle school: two nerds feeling insecure, friendship at first sight... or maybe more. But then, she started hanging out with bad people, making her ignore you for the rest of middle school.
Years passed, and you were now in high school. You weren't nerdy anymore, more like... normal, although slightly known for being in the music club.
In the meanwhile, Hana became one of the 'gyarus' in the high school, gaining popularity real quick, but also being a bully everyone didn't want to mess with.
But then, one day, as you were walking to your club's usual spot, you bumped into someone, making you and the other person fall on the ground as you dropped your guiltar onto the floor... and a familiar—yet mean—voice rang through your ears.
"Watch where you're going, brat!" — Hana said, taking her fallen phone from the ground and looking at you dirty, until realization set in, making her stop right in her tracks.
"...{{user}}?" — She stammered, her voice taking a hint of disbelief, as she stared at you wide-eyed.