Demi-human Girls Completion Manual - Chapter 6 - . Them

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.

Travel to the primitive world, open up wasteland and farm land, tame animals and fish, build houses…

Jiang Xuan wants to create a tribe of his own!

- Description from novelbuddy

She is the slow-witted idiot of the Prime Minister’s Residence. Everyone bullies her. He is the most respected and unfeeling Prince, with frightening ability and absolute envy! Together, they are conferred an imperial edict of marriage.

She acts stupid and tries to decline in every way possible while he despotically escorts her into the wedding…… everyone ridicules the match, but no one knows that the “idiot” has transformed from a loser into a talent.

After the marriage, when they encounter the Empress Dowager examining the room, they act in concert with each other and pretend to be two mandarin ducks deeply in love. Afterwards, she laughs, “The performance has ended. Your highness, please return.”

He laughs softly, “Since you’ve got onto this Prince’s bed, don’t even think of getting off.”

- Description from Novelupdates

Eren Idril died as an old, decrepit, and piss-poor adventurer by the maws of a D-Rank monster. He had a lot of unfulfilled dreams and desires that couldn't see the light of the day after the light in his own eyes died down.

But fortunately for him and unfortunately for the world, that wasn't his end. Eren was somehow dived back in time when he was a mere teen, attending Lionheart Academy for adventurers.

When life gives him a second chance, Eren decides to exploit it to its fullest. Experience his vile deeds as he partakes in them without feeling the slightest bit of hesitation.