The Palaces of the Twelve Sacred Beasts - Chapter 9

Kurono Maou is a high school student who is sensitive of his sharp eyes and bad expression. No girlfriend but gifted with friends in his own way, he had been living a peaceful life.

This novel is rated 18 with lots of fan service. If you are wondering if its.-NTR, No it's not.-Yuri, A big no, I guess. I don't know if it is, so maybe is the final answer.-Incest, yes! A BIG YESSSS!!!In a world ruled by cultivation and magic, the past centuries have been defined by the dominance of cultivators and mages.Cultivators capable of crushing planets with a mere squeeze of their hand, and sages who could destroy worlds with a single gesture, have long battled to prove which path holds the greater power. For thousands of years, their rivalry shaped the fabric of existence.However, the tides began to shift. Over time, the longevity of cultivators allowed their strength to grow with each passing year, while mages, bound by their limited lifespans, succumbed to the inevitable toll of mortality—even with the aid of rare elixirs.This gradual imbalance led to the decline of the mages' dominance. But everything changed when a young boy from a humble village awakened a system. When he saw her mother relieving herself at night in her room when he wanted to take a leak. This event caused significant changes for him, as he discovered that he could grow stronger by engaging in perverted activities.[You just masturbated. You just gained 10 experience points][10/100. Remaining to level up][You just ejaculated. You have gained 20 experience points & 10 Silver Solaris][30/200. Remaining to level up]

Under the starry sky, all races compete for the front.

The human youth Ye Huan has mutated eyes.

Don’t forget, it’s just basic exercises.

Martial arts, just watch it once.

If you read the exercises once, you are cultivating.

The medicinal pill came out after watching the refining process, and it could be optimized.

Yuanguo, Yuancao, the year has increased at a glance.

Ten thousand clan exercises and secret skills, just looking at them, they become human clan exercises and secret skills.

…

Under the starry sky, Ye Huan convinces all the tribes.

- Description from novelbuddy

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- Description from Novelupdates