A detective investigates the truth behind a deadly Hokkaido mountain-tour accident, where conflicting testimonies, betrayal, and entrenched power intertwine.

Nayuta is a young genius video game developer who works independently. His anonymity had gained him the moniker “the Banksy of video games,” until a certain incident caused him to shy away from games and live quietly. Meanwhile, the long-standing toy company Atom decides to delve into the video game industry in order to overcome their financial crisis. With no funds or experience, the people at Atom make a desperate attempt to contact Nayuta, the Banksy of video games, but will they succeed? Can they write a new chapter in the cut-throat world of video games