Monster Tamer is the Worst Class - Chapter 28: Unseen Threads

In the year 2057, the world has become a corporate-run utopia for the super-rich, and a hellhole for all the rest. Catherine 'Cat' Leblanc is an orphan that is about as far from super-rich as one can be. When the Incursion alarms start blaring and the sky starts raining hungry xenos, it's just another blemish on an already piss-poor afternoon. A cyberpunk magical-girl alien-invasion LitRPG.It’s exactly as wild as it sounds.

After the Catastrophe, every rule in the world was rewritten.

After he bought some Dragon Balls online for 30 dollars, and after made a wish, he actually found himself in the Dragon Ball World!

However, his fate was to become the most tragic brother of a Hero in history: Raditz!

Who said that Raditz cannot surpass everyone? One who already has the hair of a Super-Saiyan III should have nothing to fear!

- Description from Novelupdates

Lu Xiaoran has traveled to a fantasy world and received a system, but the useless system has not been activated for a long time. Lu Xiaoran, who had no choice, could only cultivate in a low-key manner and grow steadily. However, after Lu Xiaoran had become the strongest existence in the entire sect, the dog system suddenly activated.