I have already covered episodes 1 and 2. There is no nudity in episode 8. Here is the rest:
Angela Cremonte in episode 3
Carla Campra in episode 3
Marta Nieto in episode 4
Pepa Gracia in episode 4
Carla Campra in episode 5
Angela Cremonte in episode 6
Pepa Gracia in episode 6
Marta Nieto in episode 7