The First Magic World War - Chapter 653 - 618, Battle of Ojibwa Island

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Dusk is the boundary, Yin and Yang are divided into two parts.

When the evil god’s flesh and blood crowded out from the cracks in the earth, when mountains of flesh and blood appeared everywhere.

Some people fear it, some people worship it, and some people burn incense and make offerings.

Some people also tasted it, hey, it tastes good?

As a result, flesh and blood turned into crops, and people greedily harvested, fought for, and worshiped their ancestors.

Hu Ma was reincarnated from fear, ate Tai Sui, kept a stove, went through hardships, fought for his life against evil spirits everywhere, and then…

……What? Am I the evil one?

- Description from novelbuddy

Xiaya reincarnated in the Dragon Ball Universe as a Saiyan 12 years before the destruction of Planet Vegeta.

Watch him as he creates the strongest legend of Dragon Ball World from the beginning.

- Description from Novelupdates