Lustful Depravity: The Villain system! - Chapter 17: Oh? How interesting.

An accident gave Ye Han a magical ability to see through. Since then, his life has become rich and colorful. He has developed the strongest business empire, dominated the gambling world, and rejuvenated his medical skills. He has become a master of medicine and Taoism. The goddesses rushed towards him one after another. As a man, and a limited edition man, Ye Han was under a lot of pressure and had to go on an exploration with a few tomb robbers. However, a shocking secret from ancient times to the present gradually emerged. in front of him!

- Description from novelbuddy

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

Lives are a currency, and Noah Vines is rich.Reincarnated into the body of a poisoned magic school professor, Noah is given more than just a second chance at life. Every time he dies, his body reforms. With infinite variations of runic magic to discover and with death as a painful soul wound rather than a final end, Noah finally has a chance to wander the lands of the living once again. And this time, he plans to get strong enough to make sure that he never has to wait around in the afterlife again.

When Demon Lord, Syryn Nigh'hart, found that he had gone back in time and turned into his child self, he had assumed to do better with his second life. Commit smaller crimes, keep away from burning villages and inciting other demons, contribute to society, abide by most laws, you know? But then the hero, his old friend, had to fall in love with him and ruin his plans.

Goddess, I cannot take responsibility for your champion, Rowan Windwalker, getting bent. Please don't strike me down!

#Gold Tier winner of WPC (forgot the contest number)#y'all this shit gay so don't go walking in expecting it to not have men sucking faces#N̶o̶ ̶h̶a̶r̶e̶m̶(my dumb self thought harem means mc marries many lovers)#Reformed and immature demon lord (but he's nice now okay. He isn't psycho.) #Hero is an extremely patient man for putting up with the demon lord's nonsense # MULTIPLE POTENTIAL LOVE INTERESTS #Slow Romance#Slow like you have to wait for around 40 chapters (smut too) before it starts #Patience is needed #Lots of it#alternate day updates because I have to study#english is neither my first nor second language so bear with me#The cat is not the ML ಥ‿ಥ some of you are getting the wrong idea.