Sympathy for the devil (Demons)(Straight)

She has been reborn into the world of an otome game as the villainess, Irene. Using her memories of her former life, she recognizes flags indicating she's en-route to the bad end, so she makes a plan to conquer the last boss (the evil king Claude), make him her lover, and see if she can open up a new route!

“Give me the chwild swpport! (Give me child support!)” Mia was abused by her uncle and aunt. One day, she sees in her dreams a future in which she falls into her uncle’s scheme, kills her own brother, and causes world destruction. I can’t die like this! The future is in my hands! Mia decides to sell her maternal uncle’s hideous scheme to her biological father, and charge him with information on the back-up. I opened my mouth with a pretty serious look on my face.

Choa was peacefully running her quiet, ordinary café… until one day, she signed a bank statement— and accidentally summoned a demon. The demon, Jinhyuk, summoned in the most ridiculous way, offers a contract: instead of taking Choa’s soul, he’ll receive spiritual energy through sexual intercourse. “By intercourse… how far do you mean?” “Shall we find out?”

Doya Seo, a demon, is one day captivated by a mysterious dream. That same day, he happens upon Wish So, a new freshman. Curiously, each moment their paths intersect, Doya finds himself engulfed in a perplexing whirl of emotions and physical sensations that his demonic sensibilities fail to decipher. Meanwhile, Wish finds herself amidst a flurry of events after being invited to the home of famous actor Jaehyeon Woo.

I reincarnated as the villainess in a book!
The one who dared to commit attempted murder on the heroine is the owner of this body?
Let’s just live in a quiet place where we have fun and eat! That’s what I thought for a while.
It was so, so, so cold here in the north, where I was kicked out as a punishment.
Before I froze to death, I called the Great Demon of Fire and set fire to the fireplace but...
Why isn’t he going back?

Will, the sole survivor of a demonic race, meets Elly, a lonely girl who has nowhere to go. This odd match ends up becoming the most precious family bond.

Dullahan, the demon lord who once terrorized the world, finally revives in modern-day Korea, eager to take revenge against the hero who defeated her centuries ago. But all she can find is his descendant, Yongrae Kim: a hapless, incompetent office worker with no prospects and no joy in life. Ending his life now would only be doing him a favor, so Dullahan decides to improve his life first… but Yongrae's two-timing girlfriend and his many strict superiors at work stand in the way.

It’s Baekyoung’s 10th day as a succubus and she’s hangry for a meal. As a matter of fact, she’s getting downright desperate. Of course, a gourmet meal would be preferred but at this point any man will do, she just needs some sustenance. Ah, that guy right there! He looks a little nerdy but he’ll do for now. But it turns out that this meal will be much juicier than Baekyoung ever anticipated and now she can’t get this human off of her mind.

A duke's daughter and the crown prince's fiancee... I, Rachel Sheringham, was both and wielded dark attribute magic, which allowed me to use necromancy. I was accused of colluding with demons due to it and was executed. With regret as my source of power, I will return to life as a lich!!!

Haruka, an employee for a real estate company, is lamenting about her mistakes at work as well as her unrequited love with a senpai who recently got married when a "meteor" suddenly hits her window.
The suspicious man who fell from the sky is the self-proclaimed demon king?! He then proceeds to tell her that in her previous life she was the saint, which makes him her archenemy... like hell anyone would believe something that sounds as if it came from a light novel!