Maki Saitou

Legend says that the enigmatic Millennium Puzzle will grant one wish to whoever deciphers its ancient secrets. Upon solving it, high school student Yuugi Mutou unleashes "another Yuugi," a peculiar presence contained inside. Now, whenever he is faced with a dilemma, this mysterious alter ego makes an appearance and aids him in his troubles. (myanimelist.net)

Years after the original series ended, Kaiba is attempting to reassemble the Millennium Puzzle so he and the Pharaoh can duel once more. But a mysterious stranger has other plans.

One year has passed since Nao and Uehara accidentally moved into the same apartment. Since then, they have become an official couple. With Uehara's 16th birthday coming up, Nao's biggest worry is what to buy him. Everything is going smoothly- that is, until Nao realizes Uehara's birthday has already passed and she spent it acting as a cut model for the handsome hair stylist, Asai. (imdb)