Jang Mina, ‘goddess’ and mascot of the PC cafe, is a part-timer with the most beautiful appearance. Lee Siwon, the boss, is secretly in love with her. But no one in the world is perfect… The small star tattoo on her delicate shoulder and the faint smell of menthol cigarettes are a big red flag to Siwon, who has lived his life as a loser. Faced with her presence, which triggers a painful trauma for Siwon, he tries to keep his mind off her, but seeing her smile, he can’t stop his heart from racing…