"I ended up killing my father." Shai and the others infiltrate the stronghold of Amalarilk, the "Eternal Country." However, due to the schemes of Stigma, Lady Black becomes trapped by her painful past. The "Eternal Country" shows her the illusion of her beloved father, who died because of her. Trying to erase her painful memories, Lady Black is gradually consumed by the happiness created by the illusion... Meanwhile, Shai encounters Kufufu and Spirits, who entrust him with a mysterious key... The shocking 16th volume where the heroes confront their own "wounds of the heart!"