Chasing My Wife in Ancient Times

'''[New Story Preview: "The Villain Always Falls in Love at First Sight [Quick Transmigration]", synopsis below ↓↓↓] ****** This story is also known as "Crash Landing in Ancient Times" or "A Spacefarer in Ancient Times" Fang Huai was a soldier in the Federation. During a battle, she accidentally fell into a black hole and crash-landed on an unknown planet. The good news: tests showed this was a habitable planet, complete with food, oxygen, and native intelligent lifeforms. The bad news: the planet's historical progress was still stuck in ancient times, without even electricity. How was she supposed to repair her mech and return home?! Day 1 after crash-landing in ancient times: Fang H...