Atem had fulfilled his destiny & saved his daughter from the Shadow Realm, allowing them to transition to the afterlife. But an old enemy has caused a disturbance in the Shadow Realm, dragging a reluctant Cairo (OC) back into the role of returning the escaped souls & forcing her to work with one of her father's greatest foes. Hint of AtemxMana

Plagued by disturbing dreams and trying to grapple with the dark power of the Millennium Puzzle, Atem begins to close himself off to Mana and his daughter in an attempt to deal with things on his own. Meanwhile, an evil sorcerer by the name of Anubis makes his return to the land of the living to wreak havoc using an item of his own. AtemxMana; hints of YugixTéa & SetoxKisara