Demon Lord's Reincarnation - Chapter 334 - Clue

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

Hazekaya was just an ordinary guy… until he woke up in another world. Sounds exciting, right? WRONG!Before he could even process his isekai moment, he found himself being chased by a horde of horny male orcs.From dodging unwanted “affections”, to getting thrown in jail, to accidentally sleeping in horse crap and earning just enough to not starve. Between dealing with an ex-adventurer boss, getting tricked by his so-called “friends,” and realizing even slimes are harder to kill than he thought, his life in this new world is anything but the overpowered adventure he dreamed of. Instead of becoming a hero, he’s stuck as a low-wage wall repairman, constantly broke, and now the locals call him “Shitman.”With zero cheat skills, no legendary weapons, and a severe lack of dignity, Hazekaya is left wondering—“Why is my isekai life like this!?”

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates

Riven was a young man with dreams as vast as the horizon, but life demanded sacrifice. To support his struggling family, he gave up his education and ambitions, shouldering endless work to keep them afloat. Yet, his loyalty was met with the ultimate betrayal by his own father.As his life slipped away, Riven awoke in an unfamiliar world brimming with magic, reincarnated by a mysterious system. Gifted with a peculiar mana heart that pulses with untold power, Riven is thrust into a realm of mages, monsters, and ancient secrets.Determined to rise above his tragic past, Riven vows to become the strongest mage in this new world, uncovering the mysteries of his strange mana heart and the enigmatic system that guides him.