I Can Accumulate Proficiency, Starting from Alchemy - Chapter 173 - 147: Qi Cultivation Peak_3

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]

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!

In an alternate world, a demon disrupts dynasties, harvests souls, and refines a banner of ten thousand souls.Under the heavenly tribulation, his body and soul are destroyed, but the Ten Thousand Souls Banner protects his undying spirit. Unable to possess a body, he's countered instead.A laid-back young man in society, wielding the Ten Thousand Souls Banner, roams the human world.With the Ten Thousand Souls Banner in hand, I refine a Golden Core with good deeds.A slice-of-life story with no ambition for conquest, helping the departed fulfill their wishes, gaining merit to repair the Ten Thousand Souls Banner, and enjoying a laid-back life.