He is Lovestruck in the Revenge - Chapter 314 - 307 Extra if route grand reunion 2

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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I was the one who boosted your rank. Yet you stabbed me in the back? Fine. Goodbye. I’m taking it back. You’re finished now. Thanks to you, I now have an abundance of skill points for a prosperous hunter life. But… after spending some of those points, the S-Rank is starting to get obsessed with me…?

Orphaned in the old world after taking care of his irresponsible and sick mother for years on end, Kyle finds his life turned upside down.His already dim world turns even gloomier and coupled with his trauma from losing her, Kyle felt like he had lost his purpose in life.Living day by day, akin to a soulless puppet, he struggled to keep his suicidal thoughts in check, all whilst trying to make ends meet as a cabbie.During those dark times, Kyle slowly begins to find solace in the world of music and movies. Even though it had always been there, it truly became something as a bloodline of sorts for him because, individually, both pieces of media, transported him to another world, one where he could feel happy, if even for a fleeting moment.And, as if the universe wanted even more for him, Kyle met some lovely old people, all of whom treated him as the son they never had, making him feel like he had a family after so long.This eventually, helped him let go of his trauma and turned him into the lovely soul he was always meant to be.But as fate would have it, these same people, wanted for Kyle to pursue his dreams because they saw the potential for greatness in him and the wonderous things he could go on to do, even if Kyle himself was oblivious to it.So, in an effort to make his dreams come true, they ended up gifting him a brand new chance, one that Kyle himself would only go on to realize after his untimely death in a fatal car accident.Now awake in the new world, still orphaned but with a brighter perspective on life, Kyle, armed with a System, another gift from his loved ones in the previous world, decides to take the chance to pursue his dreams of being a star, one that he was unable to pursue in his previous life due to his lack of talent.This is the story of a man who will go on to become the most versatile and renowned superstar all over the world... and it starts, just as he takes his first step into the cutthroat world of fame and fortune by registering for the popular singing reality TV competition, 'Rising Voices'.Known to be a fiercely competitive TV show, Kyle will meet with top contestants from around the world, go up against them, level up and become better, and ultimately, battle with them for the number one spot in the show as a dark horse!---

“You sloppy orc~ You can’t take down a girl?”He became the Mesugaki character in the Academy game.But the taunt works too well.