The Response to my Drunken Proposal was Surprisingly Good - Chapter 69:

Jack Somnus was a mid-wealth professor of economics and a trading advisor for the powerful Johnson family. But after years of working for the Johnsons, he was abandoned without a word. He was laid off without as much as a severence package. Jack’s life got worse when he lost his wife. Depressed and alone, he got into an unfortunate accident. Instead of dying, he travels back in time to his teenage years. Now, Jack has a second chance to live the life he always wanted. He wants to be the one who controls, not the one being controlled. But his time travel hides a deeper secret, one that might throw him for a loop. [WARNING: CONTAINS EXPLICIT EROTIC SCENES]

A huge scandal rocked the Qi family. Young Miss Qi gave birth to triplets before she was married!

“This twisted world needs to be reset. That's what V2 is for!”-------------------------------------------------------------Waking up only to find that she's reincarnated into a world very reminiscing of a game that she used to play, Yuki is suddenly thrust into a worldwide conflict. To ensure the longevity of her newfound motherland, Yuki will have no choice but to flip this war upside down. If only to finally has some closure for past life also.So buckle up, strap your helmet tight, and keep your rifle loaded and on safe. This is not your bog-standard story about overpowered characters on a battlefield, no. This is a story about warfare in all its bloodied glory, the leader that calls the shot, the soldiers that execute them, and the nation that's backing them up. And along the way, sprinkle those a healthy dose of beautiful maidens, lily/futa romances, and build a harem.This is not gonna be a quick and decisive run, no. We're in this one for the long haul. Hail, Ironblood!

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.