"Everyone is born as a star ,

And every star deserves to shine if they are eager to

so they are given 2 options

1)to - shine brightly -

or

2)to be a -black dwarf-

The same case is with a girl named "Byeol"

meaning -star -

and she chose to shine brightly just like a star and no doubt she really was a star a bright star for her family but her life changed when she was just 15