In the first chapter of the second volume, Jonouchi spends a large sum of money on a pair of shoes known as "Air Muscle", only to have the shoes taken from him by "Muscle Hunters", a group after rare shoes. This turns out to be a scam created by the shopkeeper to get money. Yami Yugi challenges the shopkeeper to a Shadow Game, whereupon the Shopkeeper ends up being stabbed by the scorpion he placed inside the shoe. Then, Sugoroku introduces Magic & Wizards (Later changed to Duel Monsters) to Jonouchi and Anzu, which, while popular in America, has been gaining a following in Japan. Seto Kaiba then arrives in the Game Store, and offers a large amount of trading cards for Sugoroku's Blue-Eyes White Dragon, which he refuses. Kaiba then tricks Yugi into giving him the Blue-Eyes when he brings it to school. Yami then challenges him to a Shadow Game where the monsters in the game come to life. Kaiba manages to summon Sugoroku's Blue-Eyes, but it instead sacrifices itself as Kaiba didn't understand its heart. Kaiba loses, and then is subjected to a Penalty Game where he is trapped in a illusion where he believes he is surrounded by monsters. Afterward, Jonouchi's former gang leader Hirutani comes back and demands that he rejoins his gang otherwise he would beat all of his classmates at Domino High. Jonouchi initially agrees until a gang member injures Yugi, who was pleading with Jonouchi to come with them. The gang then ties Jonouchi up and begins to torture him with tasers. Using the power of the Millennium Puzzle, Yami was able to find Jonouchi and defeat the gang by getting them soaked in rainwater and using one of their own tasers against them. Lastly, a museum exhibit with recently found Egyptian artifacts comes to Japan, and the man who discovers them, Professor Yoshimori, invites his friend Sugoroku (along with Yugi and Company) to see the exhibit for free. The curator of the museum then tricks Yugi into giving him the Millennium Puzzle, where he intends to sell it. However, he ends up murdered in a Shadow Game by Shadi, the owner of both the Millennium Scale and Key. Yugi then runs into Shadi, who is surprised to learn that he is the one who solves the Millennium Puzzle. He uses the Millennium Key to peer into his soul, where he finds Yami, who submits him to a Shadow Game and wins. Defeated, Shadi then leaves to punish Professor Yoshimori, and finds that he knows Yugi. Wanting to have a rematch with Yami, Shadi brainwashes Yoshimori with the Millennium Key and forces him to attack Yugi's friends in an attempt to bait Yami Yugi out.