After leaving the Hokage Office Building, Heizo Hattori headed to the Research Department's Fuzui testing site. It was a secret underground cavern, known only to the personnel involved and the Konoha High Command. Heizo Hattori had only learned of it after accepting this appointment.
Heizo Hattori was very familiar with places like this, since Anbu bases generally had similar layouts. Though the locations differed, certain principles remained the same. He made his way to the testing site with practiced ease and entered after the guards checked his credentials.
Led by one of the guards, Heizo Hattori arrived at the flight-testing area and happened to find a test in progress, with members of the research team watching nearby. He recognized the person conducting it: Asuna. Normally, no one would have been carrying out flight tests before the Flying Combat Unit's members were formally assembled, but Asuna was no ordinary person. Naturally, she could gain access to this new Flying Ninja Tool before the others.
Heizo Hattori watched as Asuna, with Fuzui strapped to her back, rose into the air on invisible currents streaming from outlets that ordinary people could not make out. By adjusting the thrust from outlets positioned in different places, she moved through the air with remarkable agility. In a single sweeping pass, Asuna threw Kunai, striking the heads of straw dummies at different positions in rapid succession.
The people nearby gasped in admiration. Asuna climbed back into the air, turned, and swooped down. This time, she already held two long blades. Although Heizo Hattori had not seen how she had drawn them, he could guess the method behind it.
Besides carrying Ninja Tools in their Ninja Tool Pouches, some ninja inscribed a Summoning Technique Jutsu Formula near their wrists, allowing them to summon their weapons. However, this was