The King of The Worlds - Volume 4: Chapter 27 - Hades

Working in a big factory for several years, Wang An, who was prematurely aging, accidentally obtained a cheat that can earn experience. The improvement of his skills brought him unexpected surprises.

It turns out that some things are not just legends.

Lightness kung fu can really make people walk on the snow without a trace, and fly over the walls.

Vajra is not broken, it can indeed produce the power of vajra, and become the body of vajra, invulnerable to swords and guns.

Congenital qi, grasping iron into mud

 …

Brushing experience does not rely on simple repetition, but requires continuous learning, summarization, and comprehension.

- Description from novelbuddy

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.

The future was doomed, the present was gloom, the past was regretful. At this point, the only reason I was still alive was because my heart and brain functioned and then one night after a great fap, I woke up to a totally different reality, one where I was in the past.[System installation complete][Welcome host to the Perverted Sugar Daddy System]A system that would help me fulfil my perverted desires as a sugar daddy. I hadn't planned for this, but I sure as hell was ready to milk it to the fullest.[You’ve been taken back in time]“Ahh, a strong and vibrant body to work with”. A better name for the system should be the 'Perverted Emperor Tyrant Daddy System'.The name might be a stretch, but what I'm trying to say is that this world is so screwed. Everyone better hide their wives, sisters, mothers and even grandmas from.... wait“System can we make them younger and less wrinkled”[yes]“Yes, hide even your grandmas cause I'm going to be doing a lot of screwing and bankrupting.”Did I mention that I love to own what I like.It's not that I'm a bad guy, but I like Facebook and Lamborghini, so how much.....“Na let's leave a bit of Tesla free, Musk knows his stuff”TAGS: Mind control, Gangs, manipulation, corruption, oyakodon.PS: All characters in this book are above 18

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates