Demon Slayer: Activate the Split System After Marrying Muzan

Ever since he became conscious, Tsuruta Huairou felt that he was a person who did not exist in this world. Because she has a memory, a memory that does not belong to this world. Until the young Tsuruta Huairou married the sickly Mumei. A voice that only she can hear echoes in her ears: the split system has been activated From that moment on, Tsuruta Huairou understood that he was symbiotic with this world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.