The new transfer student offers the Phi Brain children a vacation to a private island, void of puzzles.
Nonoha is excited but Kaito might not make it.
Darkness of the Heart
Night of the Knights
The Battle is Investigating the Puzzle
I Want to Give You Happy-Smiley
The Truth Behind the Smile
Puzzle Time Won't Begin!
Even Nonoha Wants to Solve Them!
The Devil has Returned
The Pieces of Hatred
Regarding That Man, Herbert
The Puzzle of Fools, Once Again
The Sad Clown
The Ruler Atop the Board
The Closed-Off World
Release the Infinite Puzzle!