This is an enviable pair of sisters.
The death of their family forced them to go to the lower world. However, enemies came to the door and separated the sisters who were supposed to live a good life together. My sister faked her death, deceived her enemies, and left a backup plan to bring her back to life. But my sister overcame all this and used her own strength to create a world for herself. My sister also used the seal to open the passage to the upper world and get all this back...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.