Legendary Extraction: Kingdom Builder in a Ruined World - Chapter 22: Power Conversion.

Tang Dynasty：Live with princess Changele, Li Er is going crazyAfter Xiao Ran woke up, he find that half of his bedroom had gone through time and space.Next to him is a girl with exquisite features and a beautiful appearance. The girl is actually Li Lizhi, Princess Changle of the Tang Dynasty.In the seventh year of Zhenguan era(a era of Tang Dynasty), thermal underwear, baby warmers, and hot water bottles have become the best-selling products in Chang’an City.This year’s Chang’an City was very cold…Xiao Ran made a lot of money!Relying on Blue Star’s various technologies, Xiao Ran successfully captured Princess Changle’s heart and prevented her from marrying Changsun Chong.The purification of fine salt, sugar, medicinal materials, and potatoes and sweet potatoes all entered Datang one by one.

Perla had always felt a longing for adventure, stifled by the rules of her strict upbringing and surrounded by her older brothers free to do as they wanted. She longed to carve her own path, to seek out excitement and perhaps even a little romance along the way. One day, while escaping yet another tedious piano class, she stumbled into the hollow of a massive tree. At its base, a mesmerizing green light beckoned her, and before she knew it, she was transported to a bizarre forest teeming with colossal, long-extinct creatures and menacing carnivorous plants.This was the realm of Beastkin, where men could transform into mighty beasts. Here, the constant threat of war had led to a peculiar imbalance, with most females giving birth to male Beastkin, resulting in a dire shortage of women. The land was a battleground, filled with mercenaries and adventurers seeking glory. While the males formed companies to embark on quests, their females stayed behind, living a life of comfort. But not Perla—she was determined to break free from the mold, to grow stronger, and to join her new love interests on exhilarating escapades.

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

The Main Character, Watari Karito, is a veteran player of a Military Shooting VRMMORPG.