For those asking..
About the OST, it’s probably this one:
Evan Call – Letters from Heaven – https://www.youtube.com/watch?v=Uv0_J0rE-HQ and then into the regular ending song, Michishirube by Minori Chihara.
About the general video: Besides the scene being really emotional, I’m not sure why I originally uploaded it, but it will remain up unless Youtube or some copyright zealots take it down since it’s taken on a life of its own.
About comments: I’ve read every single top-level comment ever posted here (due to notifications) but will likely never reply to any of them directly. Know that at least one person has sincerely read what you wrote even if it gets otherwise buried, try to cherish your parents if they’re still around, know the importance of recording down your thoughts and voices for future generations, and take care of yourself above all else.