In the city’s most glittering skyline, where penthouses outshine palaces and power is measured in silence rather than noise, the mafia underworld isn’t hidden—it’s elevated.
Kim Ara is the younger sister of Kim Seokjin, growing up in a life that was ordinary on the surface but unusually close to one of the most rapidly rising groups in the world. In 2015, at fifteen years old, she first became properly acquainted with BTS through her brother. At the time, they were already gaining attention, but their dynamic behind closed doors was still grounded and familiar rather than distant or untouchable.
Kim Nabi enters a prestigious private international boarding school where everything runs on reputation, perception, and quiet social power. It’s a place where people are constantly observed but rarely truly seen, and where even small interactions can shift how you’re treated for the rest of the year.
Kim Nabi drifts through her teenage years feeling invisible in almost every part of her life. At home, her mother swings between suffocating control and emotional instability while her father avoids conflict by barely being present at all. At school, Hanseo High looks polished on the outside, but underneath the perfect grades and uniforms are gossip accounts, parties, rumors, cheating scandals, broken friendships, and students slowly falling apart under pressure.
Kim Nabi is one of the youngest detectives in Seoul’s violent crimes division. She’s smart, intuitive, and unusually good at reading people — which makes her dangerous.