Nine Heavenly Thunder Manual - Chapter 73 – The Whole Story

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

What happens if a villainous playboy gangster is reincarnated into another world?Lin Feng: Wang Jian! How dare you capture my childhood friend and mess around with her?!Su Xian: I-I am with him willingly.Lin Feng: N-No way. You are lying. There is no way you would wear that maid dress otherwise!Wang Jian: It's not just her.Before Lin Feng could understand what he meant, in front of him appeared several women, all dressed in maid outfits. Upon seeing these women, his anger rose dramatically.Many of these were women who used to love him dearly. There was his fiances, teacher, cold princess, the immortal fairy and many other beauties.However, Lin Feng was just the first protagonist who suffered at Wang Jian's hands. The game had just begun as Wang Jian's wicked desires knew no bounds.

In order to live he must get close to girls, what kind of rule is this? Tang Zheng possess the Nine Yang Saint Body, a rare body constitution that is hard to come across within a millennium, yet he must absorb pure Yin energy to stay alive. In order to live, he will fight! Absolute campus belles, goddess teachers, charming housewives, haughty lolis… all kinds of woman walk into his life causing him to be surrounded by beauties!

- Description from Novelupdates

"Be my son's mother."