Katie prepares for her new life.
Lucy and Katie fall in love.
Mum and daughters celebration breakfast.
Katie's journey to become her mother's toilet gathers pace.
Lucy starts encouraging Katie to loose her inhibitions.
Lucy starts using her new toilet.
Mother and daughters relationship continues to develop.
Mum and daughter have scat sex together.
Katie reveals even more to her mother.
Katie is aroused by her mother's body odour.