Online game: God-level Assassin, I Am the Shadow. - Chapter 80 - :The Cursed Slate of the Ancient God of Natural Disasters!

On modern-day Earth, An Lin seems to have been abandoned by God.
When his father suddenly disappears, An Lin is left with his father’s immense debt, putting his life at risk.
After being forced to a rooftop by his pursuing creditors, An Lin is unexpectedly swept off his feet and brought to the ground safely.

After learning that he was saved by an Immortal, An Lin is gifted, seemingly out of pure generosity, the ‘God Of War System,’ and a pass to a new realm.
Follow An Lin as he experiences a whole new world of legends, meets many new friends, acquires legendary weapons and tools, and starts on his path of becoming a powerful cultivator. There is never a dull time in An Lin’s new life with his ‘great’ new system!

- Description from Novelupdates

Seo-jun was your average college student until a fatal vehicle accident took away his life. He found himself waking up in the body of Adrien Mallorne, the youngest son of a Count. Armed with his modern-day knowledge, he navigates through the new world he finds himself in. But why is the second prince following him around and blatantly flirting with him?_______A long arm that looked muscular, even with it being fully clothed, reached out above him. “Is this the one you want?” A familiar voice asked, sending shivers down Adrien's spine.It's the guy from the bookstore!Adrien nodded his head to answer the guy's question, forgetting that he probably wasn't in the best of position to be seen. “Ye-yeah.”Long, thick fingers wrapped around the spine of the book, swiftly pulling it down from the top shelf. “Understanding Economics?” The guy read the title out loud. “Mr. James' class?”“Yes.”The guy, who was standing close to Adrien, basically caging him in between his chest and the bookcase, handed him the book. The guy then reached up one more time and grabbed a green-colored book. “I suggest reading this one if you haven't taken the assessment yet.”Adrien took the book from him. “Thank you.”A deep voice rumbled from behind him as the guy laughed. He then took a step back, releasing Adrien from his confinement. “Try that again, but to my face this time.”

Left out during the elementary school picnic.

After dying in laboratory tests, Klaus transmigrated to a Sorcerer World, in a strange and peculiar character whose existence is an enigma. He knew this world, for it was the world of the novel one of his students wrote. He also knew the character because he created it. But it was a discarded character; it never appeared in the novel. How could he have transmigrated in it? Reality hit him soon after when he was sent to cross through the first test that every sorcerer must pass to awaken his abilities. There, he will have to fight against powerful monsters, which they call Curses, and against other Sorcerers, all to try to enter the select group of Sorcerers to discover the secrets that await in this world and understand his arrival to this and his existence. Just when he thought his journey might be boring, he received a peculiar and mighty power bordering divinity, capable of making him reach unimaginable heights. Although a bit dangerous...