is tsunade got amnesia?

[sakura sasuke uchiha]

hey we all know that jiraya tsunade and oro meet yahiko, konan, and nagato and jiraya stay back to help them so nagato's eyes has been seen by tsunade also then also how is it possible that tsunade not know about it? because how renningan look like is already known to shinobi world thats the reason why jiraya thought nagato is prophesy child but then why tsunade and oro missed it?

 

[edo x edo]

nonono... jiraiya only saw nagatos eyes after the others went home, thats why he changed his mind and chose to teach them ninjutsu, even though he wouldn't to begin with...
oro and tsu have never seen nagato's eyes

 

[Chatte]

nonono... jiraiya only saw nagatos eyes after the others went home, thats why he changed his mind and chose to teach them ninjutsu, even though he wouldn't to begin with...
oro and tsu have never seen nagato's eyes

This. She remembered them, but Nagato's eyes were never shown when all of them were there.

 

[Uzimaki Akira]

hey we all know that jiraya tsunade and oro meet yahiko, konan, and nagato and jiraya stay back to help them so nagato's eyes has been seen by tsunade also then also how is it possible that tsunade not know about it? because how renningan look like is already known to shinobi world thats the reason why jiraya thought nagato is prophesy child but then why tsunade and oro missed it?

Only Jaraiya saw the Rinnegan, if Orochimaru had seen it it's safe to say he would've tried to posses him. And Tsunade only saw those three in passing it wan't like she spent time with them or anything. She couldn't have amnesia because she remembers everything in her past as far as the last two ninja wars and her brother and lover's deaths.

 

[Chatte]

As you can see, she remembers them.

Spoiler

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But also, Nagato's eyes were covered.