We are not twiddling our thumbs, I assure you.
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The information in this article comes from a work in progress or a work that has not yet been released in English. As a result, some names may be subject to change, and the article will require regular updates as more information becomes available. In addition, it may also require general cleanup. Please discuss this issue on the talk page.

.hack//QUANTUM I (introduction) is a prequel to .hack//Quantum composed of 5 chapters.


Introduction narates the first time Sakuya logs into The World R:X and her involvement with a guild who for some reason are after her Chim-Chim Pin. Tobias ends ups getting tangled up with her and teaching her how to play the game. Eventualy they are joined by Mary.

List of chapters

  • Chapter 1
  • Chapter 2
  • Chapter 3
  • Chapter 4
  • Chapter 5



  • Zelkova and Kaede (or at least, two look-alikes) appear briefly.
  • The Spring of Myst appears.
  • The Dark Tree from the .hack//Quantum OVA appears.