MTL - Rebirth of the Marquis’ Di Daughter - ~ [Extra] Chapter 15

After opening the ancient well in his backyard, Li Yin’s life has changed since then!

Sixth Prince Li Yin? 21st century otaku Li Yin? He can travel freely between the two worlds, what kind of life should he choose?

Harem? Hegemony? trickery? Is that all?

No! With the advantages of modern technology, he wants to build his fiefdom into the economic center of the world, and the world map will be filled with his colonies…

PS: This is written about the Tang Dynasty, but it is a parallel time and space. There is no need for historical burdens, and it will be a little different from the real Tang Dynasty. Please don’t be serious about the textual research party, because some small details like titles are annoying. This is not what I wanted, thank you!

[WSA 2025 Entry]Ivan Mendoza, a world-renowned robotics engineer, met his end at the hands of those who feared his genius. But death was not the end. Awakening in the body of Kael Valtieri, heir to a destitute border territory in the magical kingdom of Ardania, Ivan finds a second chance in an unfamiliar world driven by arcane forces.In this realm, magic reigns supreme, yet it is woefully inefficient and bound by antiquated traditions. Armed with the knowledge of advanced robotics and engineering from his past life, Kael sets out to merge science with sorcery, aiming to revolutionize the very fabric of magic. His quest? To uplift his impoverished territory and safeguard it against the lurking dangers beyond the border.But Kael’s journey takes a thrilling turn when he stumbles upon the remnants of an ancient, forgotten civilization. Hidden within their ruins lies golem technology—astonishing constructs far superior to anything Earth’s science could fathom. Driven by curiosity and ambition, Kael deciphers their secrets, melding ancient ingenuity with his modern intellect to forge unprecedented defenses.As Kael uncovers the dark history of this world, he learns of rifts that once unleashed monstrous beings from other dimensions, nearly annihilating humanity. Though a powerful artifact sealed these rifts, its strength is waning, and an impending cataclysm looms.Now, with time running out and the continent teetering on the brink of another monstrous invasion, Kael must wield his hybrid mastery of science and magic to confront the rising tide of darkness. Can one man, armed with the knowledge of two worlds, avert a catastrophe and carve out a new destiny?Prepare for an epic tale of innovation, mystery, and survival in a world where the past and future collide.

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

Somehow, the protagonist Kim Jin possessed a rich pushover extra in a novel who was exploited by the villainess and then met their demise together.But there’s no way Kim Jin would let that happen! He immediately defeated the villainess and locked her away. After that, the only thing left was to steadily enjoy life in this world while investing and extracting profits using his knowledge.But why… the more he punished her, it seemed that the villainess he had captured began to cling to him too much?