People say that there is a kind of flower that can produce unique patterns without being planted. People say that no two flowers of that flower can be the same.
That flower is called snow.
Not every piece of snow is different, but the one in 10,000 chance is the same, which often creates a bad relationship.
The snow falls in the same place, but the patches are different.
The probability is 1/10,000, which is why bad fate arises.