Brilliant game, slow corruption is best corruption! Sure, it can be frustrating to wait for updates during the development of the game, but patience is a virtue, it will be so much more rewarding when the endgame rolls around and we get to reap the fruits of Adriannas training. For the time being, it's great to slowly but steadily chip away at her resistance.
And I have no worries at all regarding getting to the point where she will have actual sex with the MC: in a good corruption game (which this certainly is) that is only like the 50% mark of the overall progress. There is so much more to do after regular fucking... just think anal, think group sex, think public humiliation, pet play etc... Kalyha certainly has some nice things planned out already
The sandbox idea or some method of repeatable scenes would indeed be nice, at least in the endgame, when you want to savour your accomplishment.
Anyway, cheers to you Kalyha, I'm a huge fan, excellent work so far!