Dark Goddesses, Delois and Maelois

You come across a group of monsters and you defeat all of them saving the two girls that was attacked by the monsters, and then you see something usual about them. The two voluptuous bodies, gigantic-breasted and massive asses and horns and their aura indicating that they are dark goddesses. The fair skinned Delois and the dark skinned Maelois and the two is willing to give you any awards and blessings from them.