The Last Incubus with The Vice and Valor System - Chapter 6: The Vice and Valor System...

Marcus Manfred dreamed of joining the United States Army. That dream ended the day an accident took his life.But he woke up and met a Goddess who told him that he can be reincarnated with a weapon system. He accepted it and was reincarnated in another world.The Military Weapon System, grants him access to modern weapons and equipment. Rifles. Tanks. Fighter jets. Even warships. But everything has a price.To grow stronger, Marcus must take on requests from towns, nobles, and kingdoms: clear monster nests, hunt demons, repel invasions. Each completed quest earns him funds to expand his arsenal.But this world is not Earth.Magic bends the rules. Dragons rule the skies. Demon armies march in the dark. And medieval kingdoms do not take kindly to a man building a private army beyond their control.In a world of swords and magics, can Marcus survive using his modern weapon cheats? Or will magic crush modern firepower?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Song Yang was a Mercenary King in his previous life, killed by a stray bullet. He transmigrated to a world of cultivation, where the ability to control clouds and move mountains is commonplace.In this life, after taking over the body of a prince who had lost everything, he awakened a system that granted him a legion of thousands of cultivators in the Saint Realm from the start, and thus his story began.Creating a Shura Palace that made the whole continent tremble as soon as it heard his name.Be it a Saint from a Holy Land, an Emperor from a Powerful Empire? An ancestor from a powerful family?No matter who it is, as long as they pay the corresponding price, Shura Palace can kill.

A knife in the pregnant Luna’s belly.All evidence points to the Alpha’s scorned concubine.Althea didn’t do it.But no one will believe the wolfless omega who was rejected, humiliated, and made his slave.So she runs—straight into the Red Mist and into the jaws of the one creature that even the Alpha hunting her fears.---Thorne Vargan, the Hellhound of the North Clan, swore bloody retribution on everyone responsible for destroying all he had ever known—especially the woman who beheaded his mother.As fate would twist it, that woman’s daughter stumbles into his hellish domain…And Thorne is not letting her go.He claims her.As captive.As leverage.As vengeance.But the fates have a different tale to weave as something in him hungers for her in ways far more dangerous than hate.Her scent tempts him.Her fear intrigues him.Her secrets threaten to set his blood—and the entire pack system—on fire.And while Thorne pins her to his world with claws and shadow, the Alpha she fled is coming.He wants his little omega back.