A Guide to Raising Your Natural Enemy - Chapter 13

Reborn in the Naruto world, Shin Uzumaki finds himself in the doomed Land of Whirlpools. As a member of the Uzumaki Clan! Trapped in a world filled with war, betrayal, and unimaginable power, Shin’s survival seems impossible.. Until it isn’t!![Ding! Replication System Activated!][Daily Login Reward: Common Replication Card.]​​​​​​​[Newbie Gift: Perfect Sage Body—​​​​​​​Adamantine Sealing Chains​​​​​​​—​​​​​​​​​​​​​​Four Symbols Seal​​​​​​​]With the power to Copy any Ability—whether it’s the Kekkei Genkai or Rinnegan or Forbidden jutsu—Shin begins his journey to dominate the Ninja World. [First task: Save Kushina and prevent the destruction of the Uzumaki Clan.]

Su Yu, who was attempting to create a second account in the VR trading card game “Yu-Gi-Oh! World Link Online”, inexplicably traveled to the game world, and even had his own NPC identity.Time went back to one month before the game was launched, the nameless Pharaoh was still sleeping in the body of the high school student Yugi Muto, and the Duel City with cross-generational significance had not yet started.When the game was officially launched, players logged in and found that there was a new NPC in the game that was not in the original game.Yuei Vu: Do the players over there want to buy a booster box? Fifty-one packs, five hundred and ten cards, fair price, no cashback!The players stared directly at the Pot of Greed marked as UR in the product list, their eyes were burning, and the same thoughts came into their minds…

What happens when you transmigrate to Beast World? With the system in hand, the world is for your taking! One day, Su Tang, an intern at the hospital, is struck by a system and transmigrates to Beast World. It's a wondrous world with winged tigers, fire-spitting birds, and enticing man-eating flowers… Everything in this world leaves Su Tang awestruck!After the Chief of Winged Tiger Tribe saves Su Tang, she learns how backward this place was. Su Tang is determined to help change the world! Under the system’s guidance, she helps to extract salt, build homes, dig traps, make weapons and store food for winter… And perhaps even save the world while she's at it!

A river song, triggered a legend of the rivers and lakes.
Tian Zun’s life motto: “My sword is the truth.”
Shen Lang’s life motto: “To serve people with morality, those who are dissatisfied are dead.”

- Description from uukanshu (translated)