MTL - Half Immortal - Chapter 188 Black Sea town coffin (27)

A military enthusiast with dreams of serving, shaped by his father’s influence and a bookshelf full of war theories, finds himself unexpectedly reborn into a fantasy world he’d recently read about.Now an orphan, he faces impending destitution in a land governed by strict caste systems. But with the Reich Empire Academy Entrance Exam as his potential salvation, he’s armed not with magic, but with a vast knowledge of military tactics from his past life. As the date of his expulsion from the orphanage looms, he’s determined to leverage his unique skills to change his fate.

Xia Ruofei, a retired special warfare elite, unexpectedly discovered that the ancestral scrolls contained a small space that was independent.

There are Lingtan waters that promote plant growth in the space. There are mysterious spiritual flowers that cure all diseases. They also bring ten times the time flow rate. What is planted is a fine product, everything grows fast, and what can be cultivated is spiritual…

From then on, planting flowers, planting trees, raising animals, and licking beautiful women, Xia Ruofei opened a wonderful life.

- Description from ptwxz (translated)

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

A side story series featuring the girls of Kyoukai Senjou no Horizon.