Who I am? Wave wind and thunder? Is it really my name? Obviously I am the first child, why do I remember that I have a sister? Sister, where are you...
Don't think this is a tragedy. The previous protagonist lost his memory and was reincarnated as Uzumaki Naruto's sister. The period of memory loss was a bit pessimistic. When he was 6 years old, when the Kyuubi attacked, he met his sister and regained her memory.
The plot is broken, but there are still shadows of the original work, just shadows.
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