Rose Hip Rose

Seventeen-year-old Kasumi Asakura may be many things—high school student, next-door neighbor, police assault squad ace—but she's not going to stand still and let anyone take a picture up her skirt, as Shohei Aiba learns firsthand when he tries it on the subway. When he attempts to find out more about this mystery girl, he gets caught up in her search for the serial killer nicknamed the Shepherd—who enjoys carving his initials into young women's mutilated bodies! Asakura's back for more in this action-packed shonen sequel to Rose Hip Zero!

(Source: Tokyopop)

Included one-shot:
Volume 4: Rose Hip Rose (pilot)