La Blue Girl Volume 1
"Sex Ninjas Must Die!"
18 year-old Miko Mido, a ninja-in-training, is entrusted with the family business of making sure the Shikima, a clan of sex-starved demons, stay out of humanity's way. But when the rival Suzuka clan steals the signet case that symbolizes the demonic pact between the Miroku Clan and the underworld, Miko and her older sister Miyu, become targets of the most dangerous race of perverts around!
Directors: Kip Kaplan, Raizo Kitakawa, Yoshitaka Fujimoto
Writers: Megumi Ichiyanagi, Megumi Kitazawa, Toshio Maeda
IMDB: tt4442188