His tail reluctantly lets go of arm finding out it also loves the taste of your arm. When it sees you go back to stroking Arkain's member it moves close by to catch any pre or seed that may leak out. Arkain sucks in a long gasp of air when you grasp his member again. It quickly gets hard again showing how much it likes your strokes. He lets out even louder moans of pleasure when he feels you fill is tail  hole full of your tasty seed.