Fuck & Slash!
Almira is an assassin sent to perform a hit job on an heir to a family of alchemists, Eva Claydor. The job turns out to be harder than she expected and she gets captured by Eva’s body guard.
After finding out Almira is a futanari, Eva decides to spare her life and keep her around as a sex pet. After all, Eva has something underneath her skirt too and some games are best played in two. Especially when some mind control magic comes into play...