8 Unsolved Mysteries in the Anime 'NARUTO' Until Now, The Origin of Suchoha Shisui - The Death of Hashirama Senju

Although we know about Rin's role in the story of Obito and Kakashi, many details about her life before the tragic events involving Sanbi (the three-tailed beast) are not fully explained.

Shisui is known as a close friend of Itachi and one of the most talented Uchiha, but much about his past, including how he obtained the Mangekyo Sharingan and his family relationships, has not been deeply revealed.

Information about Minato Namikaze's parents, the Fourth Hokage and Naruto's father, has never been discussed in the story. His family background remains a mystery.

Although there is some information about the Uzumaki clan, many details regarding the destruction of this clan and other members who might still be alive have not been fully explained.

Samehada is a living sword used by several members of the Seven Ninja Swordsmen of the Mist, its origins and the reason why it has its own consciousness have never been fully explained.

Hashirama Senju is known as the strongest figure besides Naruto himself. However, it has not been explained how this strongest figure died.

In his childhood, Naruto lived alone. However, the Hokage at that time did not inform him at all who Naruto's father and mother were.

In the ending of the last episode of "Naruto Shippuden," there is a mysterious voice saying "Naruto...". The identity of the owner of this voice has never been explained and remains a topic of speculation among fans.