Seirei Tsukai no Blade Dance - Volume 19, Chapter 1 - Darkness Awakens

Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System.

Suddenly finding herself in a rural setting, Lin Caisang became the village's renowned 'Star of Wealth and Honor'. Surrounded by unique relatives, they treated her as if she were a rare panda—held preciously in their palms for fear she would fall and gently kept in their mouths lest she dissolved.Meet the exceptional relatives:The Powerhouse Father, who declared, “You want Sangsang to get married? You'll have to get past me first.”The Stingy Mother, questioning, “What does she need a husband for? She can have all the fine food and a carefree life with me!”The Sly Grandfather, suggesting, “Girls shouldn’t have to do the dirty, tiring work. Quick, call over your brother!”The Majestic Grandmother, fiercely proclaiming, “Who dares to bully Sangsang? Let them face a fight to the death with me!”The Protective Brother, assuring, “Little sister, all the good food is for you. I am not hungry!”Holding her flabby flesh, Lin Caisang wept without tears: “Let me go! I need to lose weight!” Meanwhile, the strikingly handsome, icy man next door not only protected and spoiled her in secret but also had a not-so-simple identity.....

This is a world where a king is the most powerful.

Being a king make you can travel through the world and choose the strongest people in the sub-worlds as retinues

As long as countries are established in different dimension spaces, they can integrate their resources, land, civilization, and cultivation system into their own king’s world to expand their territories and accelerate the process of civilization.

Qin Yi soon discovered that these dimensions were familiars to him from his previous life.

in Naruto s world, the integration of ninja civilization, the whole people are ninja. into bleach world, conquer the world, expand the world map let the world evolve into a shinigami civilization.

Is this just finished? No, everything is just beginning!

Dragon Ball, journey to the west, Marvels, Pirates, all the sub-worlds, is the nourishment of the King’s world civilization!

The first subject he met was Gandalf

The first world is Naruto’s.

- Description from Novelupdates