MTL - Start with Batman - Chapter 369 awakened god

Upon being reborn, she immediately offends a vicious two-faced bigwig.

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.

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates

Darkness. The ultimate ruler, the true One-Above-All. Everything starts from it, and everything returns to it eventually. People say that in your final moments, darkness seeps in your very existence, engulfs your whole being. They say it’s an incredibly relaxing feeling that takes you on your journey to your afterlife. They say that in the very darkness, the ‘nothingness’ your weary soul will finally be able to rest and relax. This brings up some very philosophical and existential questions. Do you even exist?

Follow the epic journey of Aiden, the last primal, a unique and ancient race as he finds his place in a strange, new world, filled with threats and violence.