Toaru Majutsu no Index - Volume 20, Afterword

She, a renowned assassin of the 21st century, actually crossed over to become Su Manor’s most useless good-for-nothing Fourth Miss.

Chu Nanli, the noble Goddess of Chu Kingdom, revered and worshipped by thousands.She concealed her identity and married into a foreign land, all for Ye Yunting's once spoken words, “In this life, this young master will only have eyes for you.”After the marriage, she diligently served him, cooking and washing for him, but he betrayed her, despised her, and let his servants oppress and humiliate her.Having just arrived, her scumbag husband wanted to force her to miscarry?As a military surgeon from the year 2090, she wasn't someone to be trifled with. Harm me slightly, and I'll retaliate a hundredfold! She hacked her path, eliminating enemies, seeking revenge, and even expanding her own influence.After their divorce, a renowned young general, an unparalleled court Divine Doctor, and an outstandingly talented top scholar all fell for her, each eagerly proposing marriage to her.Ye Yunting could only cry and line up, “Lili, please give this king one chance.”“Please let this king see the child, our child...”However, he was callously kicked aside by the almighty, unapproachable Regent King!“Get lost, my child doesn’t need a father!”

This is the novel behind the TV series, “Love Like the Galaxy”.
The following synopsis is based on the TV Series.

“The young Cheng Shaoshang was left behind because her parents had gone off to fight in the war. In order to protect herself from her scheming aunt, she had to be extra diligent while pretending to be the opposite. However, years of estrangement have made it difficult for them to become family again.

Lacking love her whole life, Cheng Shaoshang is both pragmatic and insecure in choosing a partner for marriage. She encounters three men – the emperor’s adopted son Ling Buyi, the talented Yuan Shen of Bailu Mountain, and the aristocrat Lou Yao who each have their pros and cons. Although the road to love is bumpy, she never regrets every choice she makes. Through her interactions with Ling Buyi, she unintentionally becomes involved in the mystery surrounding his family and his identity. The two grow from their experiences and worked together, upholding the righteousness in their hearts to resolve a national crisis.”

- Description from Novelupdates

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.