A cold and distant Isabella increasingly takes advantage of her submissive girlfriend, binding her and forcing her to pleasure, ordering her to serve as a living sex doll for a friend, and generally commanding her around like things have gone back to the first few months of their relationship. Is Isabella finally making good on her promise to leave Piper as a broken and desperate craver of girl sex, or is something else going on?

Content advisory: contains strong themes of domination and submission, first times between girls, and a long, salacious buildup and payoff.

This is Part 16 of "Steps to Submission", following Piper's descent into sexuality and depravity at the hands of her roommate.