Master Smith Under Ministry of National Defense - Chapter 100:

Dual cultivation isn't a choice; it's a necessity.

After being struck by a truck like most lucky protagonists (or unlucky ones), Vaan found himself transmigrated into the body of an orphan in the world of witches and demons.

However, they didn't always exist.

Demons terrorized the world ever since the Gehenna Realm descended over 300 years ago. but along with them, came mana, giving birth to witches to combat these demons.

Since then, the world of men was dominated by witches, establishing the seven witch kingdoms, which safeguards at the forefront of the demon invasion.

In order to survive in the matriarchal society of the witch kingdoms, Vaan, like all other men who cannot use magic, had to learn how to service the witches to survive.

Nevertheless, it did not come without its own benefits.

Years of research have led the world to the discovery of intimacy between men and women could increase the witches' mana absorption.

But at the same time, men could absorb some of this mana to improve their physique and lifespan.

Thus, since then, an intricate relationship was formed between men and witches in the red-light districts. Love became casual, and dual cultivation is common.

As a prodigy in the art of pleasing women, Vaan lived a smooth two years since his transmigration as an orphan.

However, everything came crashing down in a heartbeat one day when his life was nearly taken, and Lady Eniwse whom he served went berserk.

Even so, that was not the end.

With the awakening of the Witch Hunter System, watch how Vaan takes on the world and becomes the lord of witches.

=====
Note: Contains lemons.
Hunting witches does not necessarily imply killing witches if you know what I mean ( ͡° ͜ʖ ͡°)

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.

When he found out that he was in the world of a female cultivator’s novel and was still a cannon fodder, Fang Jinyu began the process of self-rescue like walking on thin ice.

until he sees…

[Today is a day to shovel shit]

[Refining to get a face value +1]

…

【Today is a day of practice but nothing gained】

[Refining to gain insight +1]

- Description from novelbuddy

Watts is just your average 21-year-old, hustling to make a living in a world that seems to grow harsher by the day. By daylight, he works in the bustling chaos of the airport, hefting heavy luggage for passengers who barely notice him.By night, he trades punches as a kickboxer, channeling his frustrations into the ring. Life isn’t easy, but it’s his, and he’s making it work.Until the day everything changes.Watts wakes up one morning lying in a pool of his own blood on the cold floor of the airport’s luggage room, his mind blank about what happened.Was it an accident? An attack? He has no answers—just a splitting headache and a world turned upside down. Because when he comes to, Watts discovers something unbelievable: he can create anything. Anything.Money, cars, weapons of unimaginable destruction. Galaxies, black holes, entire realities. All at the tips of his fingers. The possibilities are limitless, but so are the dangers.As Watts begins to explore the boundaries of his newfound power, he stumbles upon secrets buried deep within the world—secrets no one was meant to uncover.Now, with his life spiraling into the unknown, Watts is faced with a choice: use his powers to better the world or risk losing himself entirely. But the deeper he delves into his abilities, the more he realizes the price of wielding such power might be more than he’s willing to pay.Dive into Watts' Creation and follow his journey as he unravels the mysteries of his new reality, challenges forces beyond comprehension, and wrestles with the ultimate question: what would you do if you could create… everything