ShuviLily

After putting a suggestion to add a mercenary in a bad Murim novel he read, Leo would finish a mission with his NPCs before sleeping. 
Or so he planned.

For some reason, he was transported into the said novel as the extra mercenary added by the author. His loyal NPCs, a yandere secretary, a happy-go-lucky assassin, a sexy puppeteer, and two weapon maniac guys start to become sentient.

He lead his mercenary band 'Hallowed Insects' toward an an unprecedented future in a Murim most turbulent era while enjoying his time.

Fortunately, they still have their futuristic equipment with them. Tang Clan have a Poison Dagger, they have a Photon Sword. Shaolin Sect has a Qi Blast, they have a Railgun.

And of course...

"How much are you willing to pay to employ us? By the way, Demon Sect pay us 50,000 Golds to join their side in the upcoming war."

... he always sided with the highest bidder.
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Warning: Story with R18 element

Mercenary Harem in Murim Novel

After signing the contract, Astrid left with Jack.

The Peng couple looked at them boarding the carriage and going back to their Mercenary Union building. Their expressions were hard to read.

Tang Yuxuan noticed this and asked him gently. She knew that her husband was not happy with what just happened.

"Why wouldn't I?!" Peng Sheng snorted and spat out the answer, "She, who was just a brat before, already held such a high position! She, that ungrateful brat, even made a deal with me! Her own father! If she hadn't left the family and instead helped us to rebuild our power and prestige, maybe we wouldn't have to face all of this!"

He continued his ranting as Tang Yuxuan remained quiet, letting him vent his anger out until he calmed down enough to think straight. Then she spoke once again.

"You're blaming her again for things you can't control."

Chapter 219 – What is Home? [1]