It took me around 24 hours to complete the story from the node flowchart even with the puzzle answers given to me. The story was amazing and I truly enjoyed it. (and I definitely didn't almost cry at the end shut up)

I did really enjoy the story and the rhythm game (i love rhythm gam)
it's definitley worth a shot, it's free, you might like it, and you can still like it without doing the puzzles (you can get help with the puzzles on the discord as well)