After the Rite of Duel, Atum returned to the underworld and became a god. Under the appointment of the supreme ruler of the gods, the god Ra, he once again took on the responsibility of Pharaoh to manage the Egyptian kingdom in the underworld. During this period, Atum spent his life with Muto Yugi out of sight until Muto Yugi died.
One night, Atum had a wonderful dream, and then a baby appeared in the lotus pond of the palace.
From then on, the journey of raising the Pharaoh began——
Intention: The red thread called "bond" between two people can never be cut no matter what.