(Lightning protection: The initial gender of the protagonist is female. Due to the variety of orders, the gender and species are not fixed. It involves women dressing up as men, women dressing up as men, gl, gb, focusing on mirrorless)
Since being forced to become a non-human, Lang lost something important, causing her emotional loss.
A long and lonely life is inherently unbearable, and being without emotions is even more torture.
So Lang sent people out to find people who were willing to trade with her. If you let me experience your deepest emotions, I will fulfill your wish and spend your life for you.
