[DeepL Translation - needs review] Volume 1 Introduction: A mysterious boy named Jin has a circular bump on the back of his hand. Against the background of a series of mysterious incidents, a mysterious old man begins to search for Jin... One day, a deformed killer suddenly appears in front of Jin. His peaceful daily life is drastically changed. What will Jin do in the face of the killer's power beyond human understanding? An epic story begins now...!
(Translator: DeepL)
