Demon Boss in the Human World - Chapter 75

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, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

She was a peerless genius in the 24th Century – all she needed was a silver needle and she could practically bring anyone back from the dead.

After an explosion, she crossed over into a strange world; everyone calls her “Miss.” The previous “Miss” before had no contractual spirit, was weak and incompetent, and even the fiancé comes over with a new love and bullies her?

Now that she has taken over, who dares to act so presumptuously around her? With needles in hand, the world is for her to own! Wherever she goes, miracles follow! However, she saved a pest. What was she thinking when she saved that man. His stunning demeanor and impeccable face is a huge contrast to his cruel actions. He tries all ways to win her over.

- Description from novelupdates

Elaine Monroe never meant to fall in love with him. She never meant for her heart to betray her like this. But as she watches him stand beside another, hand resting on the waist of the woman he’s meant to be with, she wonders if she was always destined to be the outsider.“You knew,” she says, voice barely above a whisper. “You knew how I felt.”His jaw tightens, but he doesn’t deny it. He never does.“It wouldn’t have changed anything,” he finally says.She laughs bitterly. “I know.”Loving him was always impossible. He belonged to someone else. To his family’s expectations. To a future where Elaine had no place.“Forget whatever you think you feel,” he tells her, voice firm, but there’s something unspoken in his eyes—something that makes it hurt even more. “It will never happen.”And yet, his gaze lingers, just for a second too long.Then there’s her best friend—the one who stands beside her when the world turns its back. The one who sees her pain without asking.“You don’t have to do this to yourself,” he says, handing her his jacket on a cold night. “You deserve more than waiting for someone who will never be yours.”She wants to believe him. She wants to move forward. But some loves are impossible to forget. Some wounds never truly heal. And some desires, no matter how forbidden, refuse to die._____“loving him best decision i ever made” Elaine“you are my world”