I need to know

Short story about a girl who tried some superficial stuff which turned out into an accident, changing her entire life from then onwards...

Short story about a guy from a dimension that is rather cruel and virulent, a law student, striking for a better future...

Short story about a man who once being a scientist murdered hundreds of people in the name of research, his creation was much more important than his children's lives...

Short story about a student who once tried to help someone in order for the world to change into a better one. His pure hearted soul met a cold blooded villain...

This story is the story of the ones who died several times...