The Dragon King's Harem System - Chapter 318. Lizard And Dragon II

Good news: I have transmigrated to Teyvat and become the Heavenly Principle.Bad news: The world of Teyvat doesn’t have much time left.Good news: I have a system that allows me to devour two-dimensional worlds.Noah looked at the countless familiar worlds, tears of sorrow streaming down his face, and announced on the spot:“I will not only be the Heavenly Principle of Teyvat but also the Heavenly Principle of countless worlds.”“So, my rules are the laws.”From then on, one Heavenly Principle and a group of fierce Gods embraced trembling worlds one after another.After devouring the world of Demon Slayer, Teyvat’s lifespan increased by 5,000 years.After devouring the world of Akame ga Kill!, Teyvat’s barriers were strengthened by 100 times.After devouring the world of Inuyasha, Teyvat forms the cycle of reincarnation.…

The Hero’s party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

A magical 'Universal Toolbox' led Joe Ga into the arms industry.The complex and unpredictable nature of the world caused Joe Ga to gradually change his goals...“Sir, how did you end up here?”“I don't know, I just wanted to make some money at first, buy a house, marry a wife. But slowly, as more and more people appeared around me, my goals started to change.”“So what are your goals now?”“Now, I just want to retire peacefully with my guys, really!”