Elizabeth
A Few Hours Later...
Hours had passed, and despite Rias's valiant efforts to bring the ultimate pleasure to Lulu, the angel has eventually fucked her dry. She'd been unable to penetrate into Lucy's deepest places, and eventually gone flaccid. As Lucy got up, and as Rias laid on the bed completely spent, sleeping to regain her energy, she found herself yanked up to the top of the tower.
The pink haired buxon demoness sighed, shaking her head. "Sometimes, you just need to do it yourself. It seems little Rias still has a great deal to learn."