the fact that you were able to go in depth through each section of the song speaks volumes of how much love and effort you put into making this one track.
For the imaginary game, I could imagine that you managed to integrate the puzzle solving mechanics with the storytelling by making the silhouette as some sort of guide giving hints to the child protagonist.
The fact that you witheld that the silhouette was actually her mother on your description recontextualizes that she was suffering from grief and that the journey that the protagonist will go through was actually about acceptance.
That even in death, the mother still looks after her children. That she'll be with her throughout her journey.
The message is absolutely heart wenching, and i could imagine what a great game it could be from the soundtrack alone. The fact you created a link between the gameplay and the storytelling is peak. For a song used for the intro scene, it does leave a sepctacular first impression.
Thanks for the reply, I really appreciate it.