Makai Tenshi Djibril 4

Momo, Aoi and Yuzuha are love rivals for Kento. This spring, the four of them are the school council members for Yumegaoka Academy. One day, while investigating the rumor that there’s a pervert in the school, they come upon a tentacle monster and twin sisters! Caught by the clutches of the tentacles, everything looks bleak when out of nowhere the angel Loveriel appears and gifts them with the ability to transform into Holy Angel Djibril! Oh, and their power comes from Amore, which is recharged only by having sex. Ahhh Djibril...