Law of the Devil - Chapter 196 part 2

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.

Exile Ren?

The start is hell mode?

Fortunately, there are crossing benefits, and it is still a stitched monster sandbox game system!

Liver Emperor Ren? Hamster Ryan? Isn’t this basic operation?

- Description from novelbuddy

In the back of the forest lives Allen, the antisocial wizard. He is feared by the people around him and called the “Demon Lord”.One day, while living out his life as a hermit, he finds a young girl named Charlotte who collapsed. Although innocent, she was accused of evil wrongdoings, had her engagement broken and was forced to flee her country.Upon hearing that, Allen recalled the bitter experience of being betrayed by a party he once believed to be his companions. Hearing the story of the 17 year old’s exploitation, Allen decides, “I’ll let her live in my mansion, and I’ll teach her all sorts of bad things…”

Argon got Isekaid to another world, and also got a system that can help him build a dungeon in a cultivation world, where people can get amazing treasures inside.And for our mc to get enough resources for upgrading the dungeon he also needs to kill the people that will enter his dungeon to get soul coins that will help him upgrade the dungeon.In a world where cultivation is the key to power and strength. Argon has the power to create dungeons - underground labyrinths filled with powerful monsters and valuable treasures.Using his unique abilities, Argon creates a dungeon in the heart of an unknown forest, hoping to attract powerful cultivators and increase his own strength. But as his dungeon grows in size and power, the top powerhouses in the world realized the danger of the dungeon, since the dungeon would pour out unknown monsters that will wreak havoc in the world.To survive in this new world, Argon must use all his cunning and strength to navigate the treacherous world of cultivation and defend his dungeon from those who seek to destroy it.