There's an error in the code that prevents the call button from working.
In the console type "call callpauline03_1" (no quotes) and it'll bring up the phone call allowing you to advance
Still slowly building but why is there several hints towards incest? I'm talking about the choice for Pauline to kiss her father on his lips. Other than that, there are a few errors I spotted with this release.
Harem? I don't know about that yet, since the game is still in development. For now, I can only assure you that there will be multiple endings. These endings will depend on your choices and on which girl you choose to be with.
It would be nice to know if there's a harem ending where you don't have to choose between the LIs. Mainly to be sure if it's worth continuing the game or if it's better to abandon it (at least from my perspective).