The dog died. Empty collar on the hook.
Here is another: 'Friend left, world empty.' It shows the sadness of losing a friend and how it can make one feel as if their world has become a desolate place. When a friend, who might have been a big part of your life, is gone, it often leaves a void that's hard to fill. You start to notice their absence in everyday things, like the empty seat at your favorite coffee shop where you used to chat.
Here's one more: 'Friend left, alone now.' Losing a friend can be really tough. You get used to having them around, sharing things with them, and when they're gone, you suddenly feel very lonely, as if there's a void in your life.
The dog died. He was alone.
One sad story could be about a lost dog. The dog got separated from its owner during a trip to a new place. It wandered the streets, scared and alone, looking for its familiar home and the loving face of its owner.
A 'fake but sad story' might be a tale of a young girl who supposedly lost all her friends due to a misunderstanding. In reality, it didn't happen, but it's sad as it makes one think about loneliness and the pain of losing friends. She was said to be excluded from all group activities and was left crying in the schoolyard every day.
There might be a sad clown story where a clown loses his ability to perform due to an accident. He then feels useless and depressed because his whole identity was tied to his performance, and now he has to figure out who he is without it. This can be a very sad and difficult journey for him.