How in the world do you get the scene in Rila's dungeon to take place, feet-ured in the screenshots on the game page?
I suppose you mean the 'dark' scene?
You have to unlock her 'fun room' - lower left corner of her house. If you mess with her bed too many times, it will trigger the scene (which can result in a Game Over, so save beforehand).
Next update (earliest: December) will have a walkthrough available and from there onwards, every new version of the game will have the updated walkthrough.