I was Caught up in a Hero Summoning, but that World is at Peace (WN) - Chapter 1074 - Mission ? : Finish your Meal!

Because her appearance was not breathtaking, the Emperor breaks off their engagement and bestows her instead to the bloodthirsty, ruthless, and cold-blooded Second Prince (Wang Ye).

On her wedding night comes endless humiliation, the genuine Princess Consort becoming a deserted women. A foolish woman before rebirth, she no longer expects his love. In this world, she must possess enough talent to awe those around her, carrying herself with composure and articulating with beautiful diction, override above the nine night.

- Description from Novelupdates

Situ Xin was highly intelligent, but because she had been an orphan since a young age, she was quite unemotional.During her last mission, she was betrayed by “one of her own.” As her soul was in the process of Soul Formation, she was saved by the Phoenix Jade Pendant she wore, allowing her to be reborn as a fetus in her mother's womb. Moreover, she carried a space with her.Let's see how she lives a different life after being reborn in 1988.A new work by Ai Guo—Rebirth: Not To Be Cannon FodderIntroduction: Mi Zhiyao, the heir of the mysterious and ancient Aristocratic family—the Mi Family, woke up from her sleep, only to inexplicably become another Mi Zhiyao from a different time and space, who committed suicide for love in the Mi Family.The same name and a similar status, but two completely different personalities.Watch as Mi Zhiyao fiercely dumps her scumbag fiancé, deals with her greedy cousin, and then leads the once-declining Mi Family back to the pinnacle of their family.

Yu Ziyou and Zhong Wan served different masters.

They had once been the closest of souls, and were the bitterest of enemies.

After losing the fight for the throne, Zhong Wan brought his two young masters with him far toward the borders for the sake of survival. He relied on the little friendship that existed between him and Yu Ziyou when they were young. He borrowed some of his personal belongings while also dropping various hints around which made everyone think that there was something intimate going on between them.

Given the Yu Clan’s powerful authoritative presence in the imperial court, this appearance of a close tie allowed Zhong Wan to live a much better life than before. As such, the stories he cooked up began to carry more and more weight.

As rumors of their lovely romance spread a thousand miles into the horizon, Yu Ziyou, who was located in the distant capital city, eventually caught wind of his deeply moving and epic love affair. In a trance, Yu Ziyou, who had been completely brainwashed for seven years, believed in them. He guessed something special really did happen between them back in those years…

- Description from Novelupdates

Lin Wanwan is a pitiful mentally-disabled girl. Not only does she suffer abuse from her stepmother, her stepmother even attempts to use her as a sexual commodity to pleasure others. Eventually, the poor Wanwan dies from an overdose…