Devil's sexy counterpart

Once Jen reached the foot of her the stairs she saw Zoe who was looking at her left arm while Apparently selecting the parts of her to change. She finished quickly however and it didn't take long for the transformation to begin. Instantly two horns the same size as Jen's sprouted from her head, her hair turned blood red and grew to the middle of back, Zoe gasped as a 2 meter long tail burst from the top of her pants ending in a spade, her skin changed as fast as Jen's did turning bright red, Zoe grinning (showing new fangs) pointed her silt pupils down at her feet which were elongating into goat hooves, finally two bat like wings erupted from her back. The transformation done, Zoe looked up to see Jen at door, smiling she walked over and...