Royal Reboot: Level up, Your Majesty! - Chapter 19: Queen vs. Her Pet

A fighting genius.

Sealed Kaguya;Mikoto on her wedding night;Kushina during the Nine-Tails' Rampage;Kidnapped Konan...Uchiha Kage, who crawled out of the pile of dead bodies from the night of the clan massacre, discovers that every night he can enter a mysterious space.The space not only contains real female ninjas, but also real instances that update from time to time.Furthermore, by absorbing the dropped ninja fragments, he will also gain the abilities of the corresponding ninja.Crap, it's like I've started playing in the real Naruto world!You say I'm inherently evil?That's right, from now on, I am the most evil Uchiha!I'm going to make Konoha... No, I'm going to turn the entire ninja world into a paradise that belongs to only me!——Sasuke: I treated you like a younger brother, but it turns out you're my dad?Naruto: Awesome, Sasuke! Turns out we're actually blood brothers!

A new fantasy world built by Fang Xiang, please enter!

- Description from novelbuddy

On modern-day Earth, An Lin seems to have been abandoned by God.
When his father suddenly disappears, An Lin is left with his father’s immense debt, putting his life at risk.
After being forced to a rooftop by his pursuing creditors, An Lin is unexpectedly swept off his feet and brought to the ground safely.

After learning that he was saved by an Immortal, An Lin is gifted, seemingly out of pure generosity, the ‘God Of War System,’ and a pass to a new realm.
Follow An Lin as he experiences a whole new world of legends, meets many new friends, acquires legendary weapons and tools, and starts on his path of becoming a powerful cultivator. There is never a dull time in An Lin’s new life with his ‘great’ new system!

- Description from Novelupdates