Sorry should have been more clear
1. No CG content for Norah in this release. Only dialogue events in the Church and Public Pool - Yes, there is a share option but this currently does not lead anywhere.
2. Emma meeting Astrid is a prerequisite of the Emma's Tuesday quest line. Once you introduce Emma to Astrid at the Petrol Station there is option for a shared tit job. - This for the 3rd part of Emma's quest. Until you have done the haunted house you cannot introduce Emma to Astrid. When they meet there is option where she starts biting her neck to join in on the fun. - This not repeatable (I believe)
3. Progress Dr. Frost's quest in the Lab at the Harbour. This should naturally happen as you hand in experiment items and select the correct dialogue options to engage in physical acts. - It happens eventually first Dr. Frost has sex with the monster thing, then you and then she gets pregnant and you can have pregnancy sex with her, then she has the offspring and this is where everyone is stuck in dialog loop. (You have to select the correct dialog options for this to happen though) - Also keep mind this questline appears a little glitchy at the moment so it is possible you have just got stuck in a bad state with should be fixed in 1.8B