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Artist's commentary
Prologue
"...OS-tan's?"
"That's correct. There has been increasing influence from a mysterious OS organisation.
They seem to have been born from Futaba, but we don't know the full details.
You must immediately infiltrate this organisation, and gather all information on the OS's.
Here is a list of targets."
"Me, XP, 2K, OSX, 95.....Wow! Nice OS's!
Heehee, this OS world is vast."