MTL - I Can See Health - Chapter 50 Coronary heart disease at the age of 30?

Waking up from a hangover, Wang Hao finds himself reborn in an alternate world. To his delight, he realizes that he has a system to help him in this new world. However, his system turns out to be a highly unconventional one. Instead of serving justice and winning the respect of other people, Wang Hao has to do all kinds of bad things in order to make use of the system. So, Wang Hao embarks on the journey to being cursed for good…

The ill-fated high school student Liu Yuan obtained the inheritance of the top civilization in the universe and changed his own destiny. He also used many powerful technologies in the inheritance to lead the Chinese nation to rise in the universe.

- Description from novelbuddy

Reincarnating to find two beauties laying on his lap, Jake found out that he was a Demon Baron with no bloodline. Exiled from the Hell to the human world, Jake was left with a small dungeon and his two servants with almost no monsters under him.

Just when he thought things weren't good for him, he suddenly heard a female voice in his head.

[Ding! Welcome host to The Sin System.]

[Please spin the Sinner's Roulette to unlock your first Sin.]

“This is...” As Jake instinctively touched the dark disk that came in his sight, the disk started spinning and stopped five seconds later. He heard the system's voice again.

[Ding! Congratulations, you have unlocked the Sin of Lust.]

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Additional Tags: Evil Mc - Intelligent Mc - Shameless Mc - Scheming Mc - Smut - No Yuri - No NTR - But Contains Netori - Legal Loli - Succubus - Elf - Angel - Vampire - Cat Girls - Dragon Girls - Fox Girls - Monster Girls - Slaves - Milf - Princess - Beautiful - YANDERE - Seinen - Mature - R18 - 18 - Sex Stories - Hentai - NSFW - Pregnancy - Domination Play - Controlling Emotions - Bloodline Manipulation - Corrupting Righteous Characters - Sins - Gore - Transmigration - Mana - Devil - Demon - Necromancer - Death - Dungeon - Evolution

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.