Naruto: I Have a System That Lets Me Level Up on My Own

On the eve of the Chunin Ninja Exams, Setsuna Hyuga awakened memories of his past life and became bound to an upgrade System.

So what if he's from the Hyuga Branch Family? A mere Caged Bird Seal can't hold him back.

Besides, the upgrade System can level up on its own.

Whether it's the Tenseigan, the Rinnegan, or any kind of Mangekyo Sharingan, he's got them all.

When Pain invades, Setsuna Hyuga rises above the gods and cries, "My pain is greater than yours!"

During the Fourth Shinobi World War, just after Madara Uchiha is revived, a young boy with Byakugan asks him:

"Madara, do you want to dance, too?"