She Belongs To The Devil - Chapter 1 - Once Upon A Time

Civilization is destroyed and records lost. Only Dudian survives in a cryogenic sleep. Three hundred years later, Dudian wakes up and must become Dean to survive. Who can he trust in this world overrun by monsters without and within?

Electronic games are one of the important ways for people in the new era to entertain themselves.However, Takayuki, who crossed over to parallel-world Japan, found that the game industry in this world was extremely bleak, as if it had never flourished.So Takayuki decided to bring the ninth art to this world.This is a world that is single-mindedly focused on developing the entertainment industry of games./! I will try my best to correct the error in the MTL novel, but my first language is not English. So, please be indulgent. Thank you !Author : Chicken pecks millet

“From today onward, you’ll take your brother’s place and take over the inheritance of the Gu family!” With her mother’s declaration, she became her twin brother’s substitute.

Dressed as a man, but unwittingly enticed a lot of sisters!

Incidentally, she also captivated the younger sister of the most powerful authority in China, shouting to marry her!

Ming Shao was furious: “From now on, you will follow me. I will train you to be a qualified brother-in-law!”

Since then, she eats with Ming Shao during the day and lives with Ming Shao at night.

She has always thought that Ming Shao treats her as a prospect brother-in-law, but one day, Ming Shao pushed her down the bed and plundered her mouth!

Hey! Didn’t he say he wants her to be his brother-in-law, how come he turned into her boyfriend?

- Description from Novelupdates

…but it seems pretty doable.