"Are puzzles really necessary in this world?" In order to restore Jin's memory, Kaito and his friends go on a puzzle-viewing journey to England. As they're walking through the underground maze beneath the church, where young Kaito and Rook first met Jin, a mysterious girl appears in front of them. Jin calls the girl by the name "Raetsel". It seems they know each other. However, she suddenly disappears and takes Jin with her. What's more, the traps in the underground maze are activated and start coming after Kaito and his friends. (Source: www9.nhk.or.jp)

An ancient legend tells of a magical Powerstone that granted its owner any wish desired. Adventurers from all over the globe clash as they seek this mystical gem. Based upon the Dreamcast game, POWERSTONE tries to entertain us with the story behind the game's premise. The plot begins with our hero, Fokker, training to be a fighter like his idol, Vargas. (Source: AniDB)

To young Oz Vessalius, heir to the Vessalius Duke House, the perilous world called the Abyss is nothing more than a folktale used to scare misbehaving children. However, when Oz's coming-of-age ceremony is interrupted by the malicious Baskerville Clan intent on banishing him into the depths of the Abyss, the Vessalius heir realizes that his peaceful life of luxury is at its end. Now, he must confront the world of the Abyss and its dwellers, the monstrous "Chains," which are both not quite as fake as he once believed. Based on the supernatural fantasy manga of the same name, Pandora Hearts tells the story of fifteen-year-old Oz's journey to discover the meaning behind the strange events that have overtaken his life. Assisted by a mysterious Chain named Alice, whose nickname is "Bloodstained Black Rabbit," and members of a clandestine organization known as "Pandora," Oz begins to realize his existence may have more meaning than he could have ever imagined. [Written by MAL Rewrite]

Alcia is a world governed by "Count": numbers engraved on a person's body, representing any number related to their life. These Counts determine a person's social status and power in Alcia. If a Count reaches zero, the person is sent to the Abyss, a place rumored to be worse than death. Hina, a traveler whose Count is based on the distance she traveled, witnessed her mother get dragged down into the Abyss. Determined to fulfill her mother's last wishes, she sets off on a journey in search of the legendary Aces—heroes of the war that happened three hundred years ago, bearing a white star next to their Count. While wandering around, Hina encounters Licht Bach, a mysterious masked man with negative Count, and Nana, the owner of a tavern. In the midst of having a good time, Hina is tricked into a battle with a military soldier. However, despite his negative count, Licht rescues Hina and reveals that he has another count, one with a white star, one of a legendary Ace. Plunderer follows the journey of Hina and other inhabitants of Alcia as they discover the truth about their world, the Abyss, and the legendary Aces. [Written by MAL Rewrite]