Are there any common themes in a fanfic with Bill, demon, daddy, deal and kids?

On the night of her coming-of-age ceremony, Nan Zhi is lured into a trap by the people closest to her and falls pregnant. Four years later, she returns with her son. A respected and domineering man suddenly barges into her world. "Speak! Who is the child's father?" An adorable child holding a water gun appears out of nowhere, shouting, "Who is this wild man? How dare he snatch Brother Jie's goddess?!" From then on, two small domineering brats and a manchild are added to her world. In the middle of the night, he sneaks into her room, pressing a heated kiss onto her lips. "Woman, do you know what's the result of stealing my seed?" "What?" "From now on, you have to let me kiss and pamper you everyday." Erm… How was her inability to walk the next day, the result of his pampering?

Having reincarnated multiple times in the past, our MC is given the chance to reincarnate in another world as a vacation. Remembering the time he spent on Earth, he chooses to reincarnate into the world of Black Clover with the sword skills and breath styles from the Demon slayer manga.

An ordinary man, Ye Chen traveled to the cultivation world by accident and became a phenomenal immortal of that era. After 3,000 years in the cultivation world, he was betrayed and traveled back to earth through a spatial tear. Five years had passed in the mortal world, but when he came back with his abilities, he found out he now has a daughter!

"You don't belong here." "Perhaps to you I don't but I'm not going anywhere," I replied unwilling to let him scare me. A deep chuckle left his throat as he stepped closer, "I can do terrible things to you-" Damian, and his brothers, were a mysterious sort and every moment with them, I was begging for pleasure. ~~~ When Ivy Thorne got accepted to one of the best Universities for Agriculture, she refused to miss the opportunity. The only problem she never expected was the four men who lived in her father's home would gradually turn her world upside down. Dangerous things don't live just in the wild. Often, they lurked closer to home and if she wasn't careful, she would find herself the center of their hunger. Their own little red riding hood. This story is rated 18+ for explicit language and sexual content. And Then There Were Four is created by Lillith Carrie, an eGlobal Creative Publishing signed author.

"I don't have enough money or power right now, but I will definitely find a way to bring them all to their knees! I'll make them all beg!" She hissed, shaking with anger and frustration. "I will do everything, anything… to make them all regret… even if I have to sell my soul to the devil!" She said with determination flashing in her beautiful eyes. The man smirked. He lifted his fingers and tucked some errant strands of her slightly mussed up hair behind her ear. "Be careful what you wish for, Miss. A certain devil here might really fulfil your wish and claim your soul in exchange." "If that devil is really here, do introduce him to me, handsome. I would like to make a deal with him." Eva drawled out, smirking back at him.

[WARNING: MATURE CONTENT] A woman with a phobia of men and a Demon Prince trapped inside a robot's body… After finding out that she only has a month left to live, Zarina, a rich businesswoman in her twenties, decides to spend all of her hard-earned money and buy everything she lacks - a hot boyfriend, a love life, and a great sex life. But there is a big obstacle to that - her severe phobia of men. She ends up purchasing a realistic and hot as hell robot boyfriend to solve that problem. But upon it's arrival, she was shocked when the robot claims he is not a perfect boyfriend but a sex robot! And the plot twist did not stop there. Unbeknownst to her, someone is actually trapped in the robot - and it's a demon prince. Excerpt: “Are you sure about this, Zary?” He grabbed her chin, forcing her to look at him. “Answer me," his voice became demanding, so unlike her usually naughty and playful Sam. “Because the moment I’m side you, you’re mine.”