The Simple Life of Killing Demons - Chapter 78Book 12:

Ye Xiwen was previously only an ordinary university student on Earth, but unexpectedly crossed through into the world known as the Zhen Wu Jie world! In this world, formidable warriors are capable of turning over mountains and collapsing the ocean, destroying the sky and extinguishing the earth! He originally had ordinary aptitude, because of that he received the mysterious special space! Any martial art can be deduced within the mysterious space, other people practice for decades, he only needs a year! So long as he has enough spirit stones, any talents he faces are all floating clouds!

- Description from Novelupdates

———【Holy Sword】

———【skill】

———【blessing】

As a brave summoned to another world, Shien is basically invincible.

The goddess told him: “You are the one who is most likely to defeat the devil.”

The princess told him: “I have never seen a foul man like you.”

Even his teammates said: “How about you go to build a country?”

Unfortunately, Shien is so determined to walk his own path.

“I want to be an adventurer, fight monsters without risk and upgrade, and then sneak to defeat the Demon King after i have achieved the max level, and hide my merit and fame.”

However, the Demon King does not necessarily have to be defeated, in fact, it can also be…

Rae, a perverted thief with bad luck and worse life choices, was caught peeping on a couple getting busy. Naturally, he got his ass kicked—and his life ended.Or so he thought.Just before his untimely demise, Rae had one last wish: to live like a king, surrounded by voluptuous women with big booties and even bigger breasts.Turns out, death wasn’t the end. It was just the beginning. Rae woke up in a fantasy world, and not just any world, but one where he was gifted a special system. A system... with some unusual tastes.[Ding!][Quest: Drink breast milk from the source.][Litres: 0/10][Reward: Race Change from Goblin to a race of your choosing.]“Wait—what? I’m a goblin now?!”

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.