How it began

Two gangs that have been fighting for years in Seoul, a city full of crime, and fighting for dominance over the streets. Y/N is also one of EXO with Sehun her brother. One day when she meets a mysterious young man at a street party, it happens to her. Until it turns out that he is a member of their enemies, the dangerous and unscrupulous BTS. A story about old hated, bloody gang war and the courage to listen to his heart.
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This is my first ff so please don't be too harsh on me and also this is all not real that fan fiction is pure imagination out of my weird brain so pleas don't take it seriously