Monster Tamer is the Worst Class - Chapter 15: The Snoopers

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

One morning after being struck by lightning, Ye Wenxuan inexplicably gained the superpower of being able to generate electricity.

If he jammed his finger into one of the generator terminals in an electricity power plant, he could provide a year’s worth of power for 3 Tier 1 cities simultaneously, receiving the name “the mobile nuclear power plant.”

The country’s electrical company’s boss held his hand, speaking emotionally: “Comrade ah, the country’s future electrical development will all depend on you!”

Ye Wenxuan: WTF

Later, the “mobile nuclear power plant” was dispatched to be a bodyguard for a local tyrant.

Xing Yuan coldly said: “Just now did you or did you not electrocute me?”

Ye Wenxuan pointed to the heavens and swore: “I am an honorable employee, how could it be possible for me to make a move on my employer!”

Later on…

he made a move.

- Description from Novelupdates

I became a staff officer of an empire whose defeat was certain.The only way to escape from the empire with an 8-year mandatory service was through dishonorable discharge.But then…“You can be glad, Lieutenant. Thanks to your accurate instinct, our military could prevent damage in advance.”The more I struggled to be discharged, the higher my performance evaluation became.

I became a ghost in the horror game [Mystery Exploration Club ~Summer Vacation Nightmare~]. Give me back my body.Translator’s summary:Han Yoo-hee is an unlucky man who fell into the world of a horror game and became the tutorial boss.Now, wanting to go back, he will guide the protagonist and her group through the game and achieve the ending, confronting many different monsters and finding more about the truth of this world.