[Naruto] Brother Obito Returns

Tobi's back from quick transmigration and ready to cause trouble~

When Obito released the Nine-Tails, the System dragged him off to other worlds to complete missions. Time stopped, and only 0.01 seconds passed here.

The memories from those decades belong to him, but the System simply [stuffed] them into Obito's mind.

[Memories from the previous world must be erased in each new world.]

Summary: The System trains and disciplines Dorky Tobi, then tosses him back to change the world?