When he first logs-on, he sees his friend fall into a coma before his very eyes. Now Kite is searching for the answers as to why, and how to save him, inside 'The World'. Based on the original PS2 .hack series, Infection Expansion (Vol.1), Malignant Mutation (Vol.2), Erosion Pollution (Vol.3), and Absolute Encirclement (Vol.4).