Naruto: I Can Upgrade My Techniques Infinitely - Chapter 161: The Temptation to Return — Shinobi World Special Edition

After a well-lived life on Earth, Kael never expected anything more than death and the sweet embrace of sleep and darkness.But fate had other plans. He was reborn in another world similar to Earth, where he grew up until he was ten, at which point his memories from his past life were reawakened.He was an old man trapped in a boy's body, but the mixture of the child's memories with his own made him feel more middle-aged than old.A few days later, the world he was in ascended into the realm of war, the battleground of all living beings. Kael was among the few awakened who had the chance to become the ultimate god of existence, based on the orbs of different paths presented before him.Kael was faced with three choices:Orb of ChaosOrb of NothingnessOrb of Void(Choosing any will make you undergo a trial that will change your very existence. Please choose wisely.)While in shock by these options and seriously pondering which one to choose, an unexpected event occurred.(Error detected... A new option has been created)(Be the wielder of the three — Chaos, Void, and Nothingness)(Answer picked by host, transporting...)Kael was in shock as he fell into darkness, with one swirling thought in his mind:“I didn't even pick any.”

Du Fei was reborn, and in this difficult era of extreme shortage of supplies, he started his wonderful life of opening and hanging…

- Description from novelbuddy

Horrible Accident? CheckOtherworldly Soul Yeeting? CheckTaking over some schmuck's body who died around the same time? CheckUnable to cultivate because the aforementioned schmuck's constitution is all messed up? Double CheckIn the world of Valresta where the great and powerful cultivate an energy called aether to get to where they are, Zhen Liu (Thomas Lee) is physically unable to despite having the qualities to do so.But due to a twist of fate, Zhen Liu is given the ability to create kaijin, strange and monstrous warriors to fight in his stead.By using this world's laws combined with his knowledge of Earth, watch as Zhen Liu stands above the so-called aether saints to become the one and only kaijin lord!“What the hell is a train”?!“Something that's about to kick your butt. Get him”!“Yes my lord”!

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates