“We can love each other in Hell.” Itsaya, captured and sold as a child from the slums to become a slave, eventually broke free and fought his way through the darkest pits of the Seojin Empire’s Netherworld. Eventually becoming a well-sought after assassin infamous for accepting only the highest payment at his leisure, he one day gets hired by an anonymous client to remove the corrupt lord of a remote town along with the rest of his family. Thinking it will be another easy job, Itsaya arrives at the town only to encounter an unsuspecting dancer named Kaena who also happens to be the lord’s most favored concubine… And the very same girl from the slums in his childhood whom he swore to protect, once upon a time. Seeing Kaena again is like a dream come true to Itsaya. But during the several years they have been apart, Kaena went through her own fair share of struggles. With her life quite literally ticking to its end, she’s committed many sins in order to protect the only person she truly loves. Reuniting Itsaya may be her only chance at retribution, yet to Kaena, no action to accomplish her goals can truly be cruel enough. Perhaps it is because of that that she is far beyond help.