Enemies in Elementary school Lovers in High school

Meeting after a few years choi y/n meets her once nightmare again , Kim Taehyung, her bully who made her life worse than what was going on in her life. Now she's been a strong ,savage and brave girl whom no one would want to mess with, but the case is different for her long time enemy still a bully Kim Taehyung is more than excited to see his former victim or crush....