En plena excursión escolar, el viento corta un bus por la mitad, decapitando a todas las chicas excepto a Mitsuko, que logra escapar para llegar a su colegio. Ahí encuentra, de nuevo, a sus compañeras. ¿Ha sido todo una pesadilla?
Kuraku Asuka is a girl who had been bullied in middle school. Brought right to the edge of suicide, she finds purpose in fighting for her life - both literally and figuratively. Through an acquaintance with Kijiima Yohko, a sociopath who involves Asuka with the girl-gang underworld of Tokyo, Asuka is reborn as the best fighter in the city. Asuka becomes involved with the underground organization that runs the girl gangs, the Zenchuu Ura, and the leader of that organization, Hibara-sama. After being the second-most powerful person in the Zenchuu Ura, Asuka leaves Hibari and becomes friendly with the "outside Group" in Shinjuku. That "Omoteban" is run by the lovely Hime, and has members with the elemental names of Kai, Mizu, Hi, etc... Also involved with the Omoteban is Asuka's best friend, Doumoto Miko...the half sister of Yohko.
Mana Kurena
Subaru and her twin brother Kazuma share a dream in becoming ballet dancers, but their passion is discouraged by their father. After Kazuma's death from a hereditary illness, dancing became Subaru's only happiness and she yearns to lose herself in dance. Her life takes a dramatic turn when she runs into cabaret owner Isuzu, who recognizes the talent in Subaru and trains her in her nightspot. But to become a professional ballerina, Subaru has to overcome harsher challenges than merely satisfying the cabaret drunkards. Spurred on by her rivaling dance companions, Subaru enters an international dance competition, to vie for recognition and a scholarship to any top ballet company in the world. Subaru and her companions soon discover that there are more to compete than the championship, and tests of friendship, betrayal and self-worth come one after another. Gradually the youngsters learn about themselves as dancers, as persons and as friends.