Use Isabel's hands to spank herself

(chapter originally by PoolParty1234 at writing.com)

Elizabeth grabbed Isabel's hands and use them to playfully spank Isabel's bare butt. Isabel was still asleep and didn't notice. Elizabeth laughed at this.

Elizabeth: Heehee! Why are you spanking yourself, Isabel? Why are you spanking yourself?

Elizabeth kept using Isabel's hands to spank Isabel. Isabel's hands left spank marks on each cheek. Then Elizabeth stops spanking her and....