Oh I get it, the misfortune began because Kihoon was a person outside the control of the red string of fate, someone who naturally drew his own fortune. When Yeon forcefully used the string to entwine their destinies, he didn't just tie them together—he corrupted the system. The misfortune is the price paid for forcing a bond that was meant to be independent, essentially punishing them for the violation.
Oh I get it, the misfortune began because Kihoon was a person outside the control of the red string of fate, someone who naturally drew his own fortune. When Yeon forcefully used the string to entwine their destinies, he didn't just tie them together—he corrupted the system. The misfortune is the price paid for forcing a bond that was meant to be independent, essentially punishing them for the violation.