Tondemo Skill de Isekai Hourou Meshi - Chapter 622: You… Did This!!

As a man who had lived for 20 something years and had always considered himself as a straight man, he woke up one day and found himself possessed by a stupid and cute system. Moreover, it was a gong-shou cultivating system?! Let’s see how a shou with raised hackles evolves into a (pseudo)queen shou, incidentally with a story of a hidden loyal dog gong.

- Description from Novelupdates

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.

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

“Abused and disowned by her family after she was found heavily pregnant, Ji Weixi was forced to leave her hometown with nothing to her name. She returns four years later, only to be caught in a job with Li Shaoling, her stepsister’s fiancé-to-be as her boss.

She was a 21st century’s forensic doctor. With her medical expertise, she uses her scalpels to save life and investigate the dead. Unfortunately, she transmigrated to the body of the unfavourable first daughter of Liu residence. At first sight, he looks handsome and charming; with his crotch erected underneath his half-naked body. She smiled and asked, “Have you been drugged, sir? A cure? One treatment costs two hundred taels.” He frowned dangerously as if to judge whether is she worth for him to give his body to her willingly. She quickly used her silver needles on seven acupuncture points and teasingly stared at his crotch. “Look, you calmed down immediately, aren’t I good?” The moment she finished her words, his member grew larger again. She got pinned down by this wretched prince, “I’ll give you four hundred taels, change another treatment method.” “F***!” She got unlucky, and that was how her son Liu XiaoLi got into her stomach.

…… On a fateful day, Liu XiaoLi was refining his medicine-making skill. The little punk walked towards his mom……

- Description from Novelupdates