I was Caught up in a Hero Summoning, but that World is at Peace (WN) - Chapter 2257: Intermission: Tears of the Ice Oni - Part 3 ①

On a normal boring day, a message appears, inviting him to a Tutorial.

[Completed & female disguised as male & did the eight-fold mirror of the silent master hit your heart~]

In the eyes of others, Mr. Dumb is cold all over his body, his aura of a big boss frightens everyone, and one look can make you feel like a chill…

In Gu Shen’s eyes, it was a different feeling—-

Xiao Jiu’s waist is slim and her legs are long, she is so cruel and arrogant that she is so cute, even when she beats someone up, she is so cute and good-looking, people can’t help… want to take her home~

…

However, his daughter-in-law’s peach blossoms are blooming, so he can bear with the man, why is his meowing woman here to join in the fun? !

So one day, a certain god quietly blacklisted the coquettish sluts in the silent master’s phone…

- Description from novelbuddy

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.

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.