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Hanzawa Naoki: Spin-off

At the Tokyo Central Securities company where Naoki Hanzawa has been posted, a massive overhaul of the securities trading system is scheduled. Meanwhile, at an upstart search engine development and operations IT firm, SPIRAL, a rookie programmer named Kousaka, having just displayed prodigious programming skills that staved off a disastrous system shutdown, gets rewarded by being named leader of a competitive project that could make-or-break the rising company. But at the same time, nobody is aware of a dark conspiracy lurking beneath the surface.