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BOOM!

"I will avenge our clan!" Sasuke yelled as he dashed at Itachi.

"Foolish Brother," Itachi said as he counterattacked.

CLASH!

The two brothers collided and a burst of chakra exploded around them.

As the dust settled, the bodies of the two brothers could be seen, both of them knocked unconscious.

Arriving at the scene with the ANBU, Tsunade's brow twitched. Both brothers were there and alive, but Sasuke looked…smaller…

Ordering the ANBU to bring the brothers back to Kohona she sighed. They would have to wait till the brothers woke up to find out what happened.

- - - - -

"You know your mission right?" Tsunade said to the lavender eyed girl.

"Yes Hokage." Hinata replied.

"They are in the hospital, be sure to report to me if you notice anything strange…well stranger then who things are now."

"Yes Hokage." Hinata said as she bowed and left the office.

Tsunade sighed. It was all too weird. A freak chakra explosion caused both brothers to lose most of their memories AND for Sasuke to be turning to a 5 year old. Upon waking up at the hospital, it became clear that Sasuke thought Itachi was his father, and Itachi was quite certain he was Sasuke's father.

"Maybe it's for the best," Tsunade said as she found a sake bottle. "They can both start over, if this is permanent." She just needed to make sure. So she sent Hinata to observe them as well as care for their injuries since both brothers refused to stay in the hospital.