Overview:
"How did it end up like this... Where did I end up, and what did I do...?"
As the driver of the Phantom Shinkalion, Ina stood in front of Taisei and the others. What was Ina doing behind the scenes of the battle with Taisei and the others?
A special edition looking back on the past from Ina's perspective.
(Source: Shinkalion Wiki)