Hands down the best short anime I've seen so far. It's extremely morose and definitely a tearjerker at multiple occasions. If sickness or death is a trigger, then avoid this anime, only watch if you can handle these main themes. Unexpected twists and even more unexpected ending, with a slight bit of teenage humour. Music is good and character development is smooth and nice. Although the theme maybe a bit too mature for younger audiences. Inspiration seems to be taken from a french book, quoted multiple times, carrying depth and lending meaning to the anime's context. Other books and quotes present are beautifully spun into thestory as well.