Taihou Daigaku Byouin no Kyouki - Dai Go Ya

Taiho University Hospital's female doctor, Rieko captures Rig, a human rights inspector who came to investigate the hospital.
All human rights being ignored, her arms and legs are removed and she is exposed in the corridor, beaten and forced to excrete.
She gradually becomes dog-like animal.
Can she return to the life as a human?

[From DLsite English]