All that you said, only means that you have just discovered the depth of the whole game.
Because the game was created by Temmy Chang, in fact, about her.
Escaped Chasm is actually the center of all the creativity of Themy ... and its depresions.
Blue tone characterizes the very depression.
The main character is like Temmy Chung, despite the fact that her REAL model is in a secret room.
The whole game wants to say that it is now in a terrible state. That her creativity is becoming less, that it is no longer evaluated as it should.
And her parents believe that this is just a hobby, that it is time for her to find a job. Although for Themmy she is the work itself.
In general: There are many topics that can be discussed, references ... Well, you understand.