An object she got accidentally opened the door to a new world for her, a world where she didn't have to be responsible for it, and she could end other people's lives at will. When the night ends and she has to face the real world, how can she distinguish herself and maintain herself as a good student and sister in the eyes of others?
Until one day, she was imprisoned there and had to hide and trace, and then accidentally discovered the truth of this place... Ugly and cruel. .
Purpose: Only when there are laws can there be restrictions