Kill Me More Times, I'll Become Invincible - Chapter 7:

After drowning in a swimming pool, Randy awakens in an oriental fantasy world, transmigrated as Hu Shengyi, the youngest son of a humble family. In his new life, Hu Shengyi possesses a weak and pale body, an ungraceful face and a small penis. He hoped that this transmigration would be an opportunity to start his life anew, the darkness of depression enveloped him, even with the unconditional love of his mother and older sisters. Unable to cultivate magical abilities or develop powers, Hu Shengyi decides to end his life.But just before he takes the final step, a mysterious message appears, like something out of a video game: “Welcome to the Onahole System.”[Additional Tags]Anal, BBW, Big Ass, Big Breasts, Blowjob, Chastity Belt, Dark Skin, Dickgirl on Male, Femdom, Full-packaged Futanari, Futaket, Futanari, Glasses, Group Handjob, Huge Breasts, NTR, Cuckold, Threesome, Foursome, Hardcore, Milf, Gilf, Young & Mature, BDSM, Dual Cultivation, Incest.

A normal person, Xin Yun, received a second chance by transmigrating to an unknown world. But because he chose to indulge in women, he lost his chance to become the most powerful.

When he gets caught by the force a struggle between the nine most powerful experts, something unbelievable happened, or it could be said that a miracle occurred. Xin Yun was reborn and sent back to the place he had transmigrated over to.

Having been reborn, Xin Yun decided he wanted to become the strongest being together with the three top experts from his previous life: the most beautiful dragon- Sparkling Butterfly, Yi Luo Xiang, the cruel dragon- Evil Empress, Yan Qing Ying, and the most dazzling dragon- Peac*ck King, Ming Xuan!

Furthermore, he wanted to pursue love with the most beloved person from his previous life- Yi Luo Xiang! Xin Yun, making use of his good fortune, used his memories from his previous life to prioritized becoming friends with Yi Luo Xiang, Yan Qing Ying and Ming Xuan. He even received a godly artifact from his previous life- the Heaven Splitting Axe!

- Description from Novelupdates

After being reborn, Bella Green is determined to punish the scum, slap faces, and sing her way to the pinnacle of life. However, she is accidentally picked up by the person she least wants to see and taken home as a cheap 'brother.'Faced with the naughty yet particularly disobedient little Demon King, Mason Bennett sternly instructs: “No fighting, no skipping class, no dating!”One day, the little Demon King shows up on television in a stunning long dress, and Mason Bennett is furious, immediately tying her up and bringing her home for an in-depth lesson!!Looking at her suitors who were beaten up and unable to take care of themselves, Bella's eye twitches, what about the promise of no fighting?Being forcibly dragged out of the classroom and carried home by a certain jealous king while attending class, what about the promise of no skipping classes?Finally coaxed and deceived into the civil affairs bureau, Bella teared up, damn it, what about the promise of no dating!!!

A fighting genius.