Read manhwa Obsidian Bride / 흑요석의 신부
In my humble life I could never dream of love. Then one night, tired of my unhappy marriage, I decided to die. A special invitation came to me. “You shine like a jewel. Beings who shine like jewels just like you live together. Would you like to join the treasure box? YES or NO?” A fancy party where only the most special people can attend.