The story could be centered around the black cat's experiences as a stray, like finding food, avoiding danger, and perhaps eventually finding a loving owner. It might also have elements of fantasy or drama to make it more engaging.
The theme might focus on the deep emotional connection and adventures between the black cat and its love interest, perhaps exploring friendship or romance.
I'm not sure which specific 'black cat black cat story' you mean. There are many stories involving black cats in different cultures. In some superstitions, black cats are considered unlucky, while in others they are symbols of mystery or magic.
The sequel manga of the black cat might introduce new villains or allies. It could also expand on the backstories of the existing characters. We might even see some character growth and development that we haven't witnessed before.
Well, if it's a common type of black cat story, the special thing might be the mystery often associated with black cats. They are seen as both alluring and a bit spooky in many tales.