A Slight Smile is Very Charming - Wei Wei and Shan Shan Side Story 5

Lin Li accidentally enters another world while playing with his smurf mage account just after he maxes out all kinds of crafting skills, bringing with him various top-grade materials. Although his character is practically powerless, what he gains in return is unprecedented magical talent! Can he survive by himself after being thrown into another world?

- Description from Novelupdates

After rebirth, she, who used to be a top international spy, becomes the eldest daughter of the Fengs, a fat girl who is ugly and foolish in the eyes of the ordinary people.
Mastering Royal 18 Saber Moves and Purgatory 9 Palms, she rose to fame with the martial arts of Demon Cook.
Upon an imperial edict, she was ennobled as the wife of Lord Cen, and then suffered various intrigues and plots…
She proved herself to be a real overmatch and a true genius to the world…

Yan Qingsi was a woman so captivating that she could change the lives of anyone she crossed paths with. Shunned, shamed, and abused by her family, they wanted nothing more than to see her turn up dead. She had other plans though — she was determined to exact revenge on all who have wronged her, and her main target was her own blood. The first step in her quest for revenge? Seducing Yue Tingfeng — the richest, handsomest man in Luo City, who also happened to be her aunt’s fiancé. Vengeance aside, she also seeks a change of fortune by pursuing a career in acting. Throughout Yan Qingsi’s journey, there will be murders and mayhem aplenty as she paves her way to movie stardom while eliminating her enemies one after the other!

- Description from Novelupdates

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.