Philip's muscles strained as he thrust down into his sister. Seraphina wrapped her legs around his waist as she pulled him tight inside her and moved against him, finding a rhythm as they made love in bed.

"Mmmmmmm I love you brother," Seraphina breathed.

Philip smiled as he thrust again and again inside his lovely sister, "I love you too sister..."

They kissed once again as they moved together, Seraphina taking all of what her brother had to offer.

"Soon you will be my queen, my wife and the mother of my children," Philip groaned, "but you will always be my sister first and foremost and the entire world will...