As the party pushes deeper into the labyrnth and reach an area where all of the icy walls are reflective, like a mirror. The mind games begin, and Kouki is the first to fall prey to the labyrinth's tricks.

Hajime rescues Shizuku in the nick of time, just as she was about to succumb to the labyrinth's trial. Suzu, Ryutarou and Tio also face their own tests.