She died because she didn't want to live in this cold and numb world. She thought that people could be reborn after death, but sadly found that they were no different after death. She didn't know how to continue her life. She thought she was the only one like this until she met the cartoonist who was always smiling. The cartoonist was a special girl. Her special physique allowed her to see many dead souls. She liked to draw those souls who could not be reincarnated and record their reincarnation process. But when she met her, she felt that she was a special soul, because she had no unfulfilled wishes and nothing was holding her back, but she just would not die.
She promised that she would help her reincarnate, and they worked together to find a solution. In the end, they found out the real reason why she couldn't reincarnate...