Cyella comes to the Crystarium. Lyna enlists Cyella as a sparring partner, but quickly graduates to the idea of learning to evade dangerous creatures by having Cyella hunt her through the Crystarium and its surrounding territories. Bascally, the “wolf” chases down the “rabbit” in order to subdue and consume her, and they both get WAY into it.

Cylva/Cyella/Shadowkeeper can transform into a giant, monstrous wolf. Let’s say, for the sake of the horny, that whatever magic allows her to do so also gives her a knotted cock. Let her use it on someone else. Unukalhai, Ardbert, Elidibus, any of the “original” Warriors of Light, OUR WoL/WoD…

Bonus points for primal behaviour, biting, etc.