Theoretically not, for others it started perfectly... Try restarting the page, in this case I left only 2 seconds of interval between a scene and the black screen
Viewing post in White flower (cutscene) jam comments
Works in Firefox. Really well done art and story. Such a beautiful sad scene.
Only vaguely related, but I don't know if you've heard the Japanese song "The Reason I Wanted to Die." If you turn on captions for English lyrics, it's a really well done song, slowly revealing why someone didn't want to live and eventually finding reason to live: