Martina the cockroach

Once upon a time there was a pretty cockroach named Martina. She lived in a nice little house. One day she found a gold coin while sweeping her floor.

Today I read Martina the cockroach. I don't like this story so much because I don't like cockroach.  At first I don't know the meaning of cockroach.
Now that I understand the meaning, the contents of the story are not interesting.
And I don't know why cockroach was being asked to marry from other animals.
I think it was good because the picture was cute...