It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 9: Gene Stimulating Agent!

Chu Li was a particle physicist until a freak accident took his life and transmigrated him to a parallel universe – one where he wakes up with inexplicable abilities and finds himself in the running for a job in the imperial palace.

In the age of the Great Liang Dynasty, the lives of the people were made convenient with steam-powered machines that run on a fuel named Violetstream Gold. Chang Geng, who lived in a small countryside village, shared a distant relationship with his mother while his stepfather was away most of the year round, and the only people he was close to were two little kids, the village teacher, and his yi fu – adoptive father. But his life was flipped upside down one day following the barbaric Man tribes’ invasion, and it turned out that his entire identity had been an illusion – not only was Chang Geng himself not the country boy he thought he was, but also his mother, his teacher, and even his beloved yi fu…

- Description from Novelupdates

[WARNING: MATURE CONTENT]

“You don't know what love is? I will teach you.” his deep, husky voice made her shiver. His hot hands were roaming freely around her body, making her jolt in a unique sensation she never felt before.

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She is a curious student who wants to know about pleasure and he is a patient teacher who knows everything she wants to learn.

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Growing up in the temple, the troublemaker and yet pure-hearten and innocent Veronica decided to go outside the walls. Her first time experience ended with something disastrous. She learned about a unique part of male body she never heard of its existence. He found out about her deepest secret that no one should have known,

That's how their fates tangled. She soon realized, her heart pounded whenever he touched her. His hot gaze would give her goosebumps.

Jung Hyeonwoo who had no talent, no money and no luck. “Why do I see the information inside the game?” He started to see the things that are not supposed to show up since he got electrocuted by lightning.