I Secretly Develop Myself In The Demon World - Chapter 856 - : 446

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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Everyone knew Shen Nianshen so well.
In this world, there would probably be no female creatures that could enter his heart. Even the most beautiful girl in the school was coldly rejected.

Until one day, when there was a basketball match at the school. In the front row of the audience, there was a girl whose head was accidentally hit by the ball.

Shen Nianshen immediately ran to her. Everybody thought that he only went to get the ball. Unexpectedly, he squatted down in front of the girl, stroked her head gently, and asked anxiously, “Does it hurt?”

This a sweet love story between a cold guy and a lively girl.

- Description from Novelupdates

Su Chen opens his eyes and finds himself in the previous game Light of Truth, which is set in the era of great development of Wizards.Now the Wizards have just defeated the gods and are wholeheartedly researching and developing various domains, compared to the later environment, it's barely stable.However, even having traversed to such a relatively stable era and possessing a game panel, Su Chen could not be considered happy.Because, even in this era, there are Temple Knights ready to seek revenge, who can appear at any time and start killing unscrupulously.

Everything was going on well until the night before her wedding, Lin Shuyin’s fairytale life suddenly crumbled from her fiancé's call, dragging her to reality...Her fiancé abandons her for her stepsister, her father and stepmother escape, abandoning her to fend off the reporters and media, and by morning, she’s framed for her grandmother’s murder. Thrown into a cruel underground prison, she dies beaten and broken.But death is only the beginning.An ancient soul awakens within her, a woman who spent a century trapped in a lab, experimented on, and injected with beast blood. When her soul awakens, the weak and naive Shuyin is gone. In her place rises someone colder, sharper… unstoppable.Then comes Lu Yuze, her ex-fiancé’s uncle, a man wrapped in secrets and power. He saves her from the abyss, but not for free. His price? Her blood, and her bone marrow… to save his dying daughter. The only thing Lu Shuyin wanted was revenge, and asked for a contract marriage, and money, these were the most important things to survive out there...In a world where betrayal runs deep, love becomes the most dangerous experiment of all.She’s no longer the victim.She’s the revenge they never saw coming.