This is really not mechanical ascension - Chapter 4 - 【Pneumatic Pressurization】and Tenglong Reagent

The contract says she can’t share his bed, but nothing stops him from getting into hers…Rain Clayton’s life takes an unexpected turn when she discovers she’s suddenly married to a billionaire named Alexander Lancaster, a powerful and dangerously captivating man who wants their marriage over before it even begins...Raised by a family that never cared for her and desperate to avoid a twisted arranged marriage, Rain seizes this unexpected twist of fate. Her new husband might be a cold-hearted billionaire, but he's her only escape. Yet Alexander demands a swift divorce.Refusing to lose her one chance at freedom, Rain strikes a risky bargain to keep their marriage alive, even if it means playing by Alexander’s rules. She just has to convince him to want her around… FOREVER.Weeks into their unexpected arrangement, Rain begins to see through Alexander’s icy exterior. But one night, she’s taken by surprise.“What are you doing?” Rain burst out, eyes wide as Alexander casually slid into her bed.“Performing husbandly duties,” he smirked.“You can’t stay here! It’s against the contract!”“I’m not breaking it,” Alexander said with a shrug. “The contract specifies that you’ll fulfill all wifely duties, excluding sharing my bed. It doesn’t say anything about me not performing husbandly duties, including sharing your bed.”The situation had shifted, and it seemed like she was no longer the only one in control...[Warning: r18+/strong mature & sexual content]

After dying as a college student, Kain wakes up in a magical world where people form bonds with spiritual creatures to fight alongside them. Determined to rise to the top, he relies on a System and loyal companions.Everything seems to align with his ambitions—except the spiritual creatures he can contract seem to be remarkably…strange

After dying, you wake up and realize you've been reincarnated as a background character who is judged as human trash.The decision to change your destiny comes instantly.Discovering that your identity isn't as simple as you thought, you feel favored by the heavens when you manage to become a powerful character.Katase: You won't fool me. I'll expose you for the pervert you are.Murayama: ...Thank you for saving us.Issei: Motohama, what happened to you? How are you so powerful?Rias: If you join my peerage, I wouldn't mind being yours.Sona: You beat me in the game. That means you're now my fiancé.Yasaka: Honey, Kuno wants a little brother.Kaori Houjou: Shinji-kun, let's go on an adventure.Kaede Kazama: Shinji-kun, thank you for saving me from that ball.Rie Sawada: Shinji-kun, I'll wait for you. You'll be my future husband, fufufufu...Changing known history and taking it in a direction not even his eyes could perceive, he didn't stop no matter what. Not even the other world was safe from his clutches.Lexia Von Arselia: My hero, and my future husband...Shinji advances without stopping.“I, Shinji Motohama, swear here and now that I will reach the top of both worlds.”

“I DON'T WANT TO DIE A SECOND TIME!!!”___Ellen Summers' life turns upside down after a freak accident lands her in a strange world. She wakes up as Ellen Winters, the antagonist in an online novel she once read. No longer an orphan and poor, she now has a loving father and finds herself surrounded by wealth.But in the novel, Ellen Winters meets a tragic fate, dying at the end after being abandoned by her husband, Mason Coldwell, who still harbors feelings for his ex-girlfriend, Aubrey. Determined to escape this cruel destiny, Ellen decides to rewrite her story. She fights to keep Mason and Aubrey apart, knowing the heartbreaking consequences that await if they reunite.However, as she tries to change her fate, Ellen unexpectedly begins to fall for Mason. Just as she starts to believe in a future together, an unforeseen terror disrupts her plans. Ellen wonders if her attempts to alter the storyline have unleashed something darker.Can Ellen truly change the course of fate and find happiness with Mason, or will the shadows of the original story prove too powerful to overcome? And will they survive the terrors that threaten to engulf them?