MTL - Hail the King - ~ 1185, wake up

Reincarnated with major advantages selected in haste. The new world is vast and hostile...a world almost infinite in scope. Essentially a Dyson Sphere created by magic and sustained by magic. A World Sphere. Can the MC delve into the mysteries of the sphere?

A genius inventor dies and awakens in his younger self's body... but not quite. This isn't his original younger self-it's an alternate version from a reality where the supernatural is real.To make matters even more chaotic, he discovers that someone has decided he is the successor to Solomon. Now, he possesses the power to enslave devils. Armed with his intellect and newfound abilities, it's time to spark a worldwide revolution... starting from his garage!---Tags: Neutral-Evil MC (enslavement, selfish MC), Harem (of course), Inventions, Technological Progress, Sacred Gear Creation, AU DxD Universe (part of Dragon's Omniverse).This fanfic is a STEAMROLLER, with the main focus on the MC's development and his technological innovations, as well as their impact on the world. If you're looking for drama, suspense, or epic battles with no real purpose, this isn't the story for you.

In her previous life, her family was destroyed.In this life, she was reborn and decided to save her family, never letting history repeat itself. But with all the men in her family having already sacrificed, how can her family rise again? At this moment, he appeared and said, “Your family belongs to a prosperous lineage, and for a hundred years, there has never been any waste of talent, including among women.”Later on...The eldest sister became an invincible warrior, the second sister a formidable head of the household, and the third sister a wealthy merchant. Her family was rejuvenated.Because he had helped her countless times in her previous life, she secretly returned the favor in this one.On a snowy night, outside the city wall:“You've saved me so many times, do you like me?” he asked.“No, you are mistaken,” she replied.“Then if I've saved you so many times, can you grow to like me?” he asked again.

An Apocalypse descends—as a lethal super-virus wipes out most of the human population. It took less than a day for the world to change forever—bringing mankind to its knees.It’s a time of misery and death for most, however, there are some who are lucky. Zane Graves, who came across a “Blood Crystal” is given an ability: [Dead Man Walking]—which grants him a special power, and so setting him off on his path to the top!