I do not know for sure but VV once wrote me there will be more appartements and it makes sense. Ivo as the camera guy and Petra as the mother of VV. Sonya simply is there because of Ivo.
Ann really does not like him. She put a bra on to hide her boobs from him under the loose top. She showed herself completely naked in front of Lex and Alex and the girls but Kojak not even gets a sneak peek