Naruto System in One Piece - Chapter 19

Tenjou Yuuya has been a bullied boy since the past.He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.While on this long time of absence, he takes the opportunity to clean his grandfather’s house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.Out of curiosity he opens this door, what he found on the other side was…

That year, the basketball god retired forever.

That year, the four giants of the City of Angels, which shocked the world, came to the fore.

That year, the little emperor entered the hometown team with unparalleled talent.

…

That year, the son of planes, the great magician, the corrector of order… plunged into this era when the opponent was like a wolf like a tiger.

Come, come, stand in line one by one… How am I going to carry out this delightful torture (× crossed out)

My dream is just to heal your wounded hearts, yes, this is a homophonic stalk. – Liu Xiu.

The introduction is weak, I will see it later.

Q group: 747103528, you can add~

- Description from novelbuddy

The end of the beginning marks the beginning of a new era. Gods and demons were buried in the past, their history had crumbled into dust. As of now, twelve scriptures were passed down.

With the passage of time, during an excavation, a mysterious scroll of star map was unearthed at Egypt. As if carrying its mission, it abruptly appeared, yet abruptly disappeared. During its disappearance, a youth was brought along with it…

- Description from Novelupdates