An organization called Amalariluk opposes heroes from all over the world. They have created an island known as the "Eternal Country" and are gradually encroaching upon the world. In the midst of this, Shai suspects that the true identity of the boss of Amalariluk, Stigma, is his own sister, Shine. Together with the Indian hero Nirvana, he decides to visit the person who knows Shine the best. That person is... Ebio-san!? The hidden past of Shine is about to be revealed! This is an unmissable volume that finally approaches the core of the story!