A chance meeting on a train to Tokyo sends two girls named Nana on a collision course with destiny! Nana "Hachi" Komatsu hopes that moving to Tokyo will help her make a clean start and leave her capricious love life behind her. Nana Osaki, who arrives in the city at the same time, has plans to score big in the world of rock'n'roll. Although these two young women come from different backgrounds, they quickly become best friends in a whirlwind world of sex, music, fashion, gossip and all-night parties! The tabloid feeding frenzy has finally brought Blast down, but Nana is determined to keep hope alive.

She's going to take a gig as a solo artist and even accept acting jobs she has no interest in. As long as she keeps herself in the spotlight, she knows there's a chance Blast can make a comeback. But while all eyes are on Nana, what's happening to her friends in the background?!