Kaito becomes angry when he notices Rook to have done something to Cubic. He and Nonoha go to one of Rook's old living quarters, where they learn of Rook's disturbing childhood. After hearing from Nonoha about some ruins where Kaito and Rook used to hang out, Ana goes to investigate and encounters a POG Giver, who presents a maze-type Kenja Puzzle, which Ana solves easily. However, things get hectic when Gammon and Cubic attempt to rescue him, but Ana makes it out okay, retrieving a wooden puzzle Rook made for Kaito, the sight of which also surprises Rook himself.
Kaito se enoja cuando se da cuenta torre de haber hecho algo para cúbico. Él y Nonoha ir a una de las viejas viviendas de Rook, donde aprenden de la infancia molestar a Rook. Después de escuchar a Nonoha sobre unas ruinas donde Kaito y torre utilizan para pasar el rato, Ana va a investigar y se encuentra con un dador POG, que presenta una Kenja rompecabezas de tipo laberinto, que Ana resuelve fácilmente.
