This takes place after the Ancient Egypt arc and before the final chapters of the manga. If you haven't read or at least heard how it ends, then consider this a **SPOILER WARNING**
DISCLAIMER: YuGiOh and all the characters aren't mine.
:We've won.: Pharaoh Atem sighed as he floated in the back of Motou Yugi's mind.
"And we're back together." Yugi laughed. "I missed you, Mou Hito…Atem-kun." His laugh turned sheepish. "Sorry, I'm not used to your name yet."
:To be perfectly honest, neither am I.: Atem admitted.
They walked down the streets of Domino City, just enjoying the day and being together. The sunlight glowed through the green leaves and wind blew gently. It was certainly a beautiful spring day.
So they had no warning as the shadows opened, disgorging a figure in a bright feather robe and sandals. Without a word he made a throwing gesture and rainbow light, fractured like a shattered crystal, flew at Yugi.
:Aibou!: With a jerk, Aten took control as the light hit. He screamed as the rainbow fragments burrowed through his flesh and into his soul. Darkness took him into nightmare.
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Yugi cried out as Atem took over; he was thrown into his soul-room with enough force to stun him. The door slammed shut with a heavy thump.
Slowly the teenager got to his feet, kicking his way through the toys that littered the room. Though simple wood, the door looked stubborn. He touched the handle, turned it; nothing happened. Somehow it had been locked - from the outside.
With an effort, Yugi forced the door handle to turn, and the door, which seemed as heavy as Atem's metal one, to open.