Y/N, a devoted BTS fan, unexpectedly meets Taehyung backstage at a concert, sparking a friendship that grows over time. Despite her admiration for him as an idol, Taehyung encourages her to see him as just a friend. They bond over karaoke, shared music tastes, and deep conversations, eventually exchanging numbers. Y/N, while navigating her feelings, confides in her best friend, Hwan, who teases her about her crush. As their friendship evolves, Y/N and Taehyung begin to develop romantic feelings for each other, leading to a beautiful relationship and, eventually, their wedding, marking the start of their life together.