A gripping psychological thriller from one of manga’s most acclaimed storytellers, this series follows a brilliant neurosurgeon whose life unravels after he makes a fateful moral choice: saving the life of a young boy who grows up to become a remorseless killer. As the doctor abandons his career to pursue the enigmatic “monster” he once saved, the story unfolds into a tense cat-and-mouse chase across Europe, probing questions of justice, guilt, and the nature of evil. Known for intricate plotting and deeply human characters, the creator of *20th Century Boys* and *Pluto* crafts a suspenseful narrative that reads like a literary crime novel, making it a compelling choice for fans of psychological drama and mature graphic fiction.