MTL - Awakening - Chapter 269 serious

Low-level villains: Greedy, arrogant, flattery to the female protagonist, laughing eerily like “hehehe!”High-level villains: Moody, noble, enduring, good at disguising, cunning as a fox, never showing emotions, willing to do anything to achieve goals, exquisite egoists, with an essential charming and handsome face!Chen Zhixing transmigrates into a fantasy world, becoming the Third Young Master of the Ziwei Chen Family, a Longevity Family with villainous roles.Being a villain himself is bad enough, but even his father and mother are villainous characters.Fortunately, he starts off with Heaven-defying Comprehension.Hundred Refinements Golden Body Scripture + Circulation Star Transformation Spell + Ox Demon Heaven-Supporting Skill = Ox Demon Transformation Star ScriptureHeart Sword Skill + Refining Spirit and Transforming Breath Method = Hundred Refinement Divine Weapon TechniqueSwallowing Deity Spell + Transformation Method Scripture = Heavens' Creation TechniqueFission Method + Great Dream Sitting Forgetting Dao = Other Transformation Free-for-All TechniqueChen Zhixing gradually turns a bad hand into a winning one with his Heaven-defying Comprehension!Twenty years later.The Protagonist of Destiny finally arrives before Chen Zhixing.Chen Zhixing smiles faintly, saying, “Sorry, all the people beside you are mine, and all your cultivation techniques were created by me.Surprised? Unexpected?”

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

Lucifer, an ordinary orphan boy who was brought up by a wealthy family to be the playmate of their daughter.That's how things have been until one night, when he got attack by something unnatural, that was the night the world changed for him.p.sThis world is going to be dark, lots of killings, a lot of r18 contents, most not even involving the MC, also Mc is not going to take all the girls he comes across, he will have female friends he will make along the way, there will be Yuri contents and lots more, but Actions prevails them all.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.