Marked Ones: Advent of the Demon Prince - Chapter 24: Nightmare

“I prepared for this day. So you have to understand.” The strongest player, Lee Suhyuk, is betrayed by a trusted friend during a tower raid. As a result, he lost all his comrades and met his death. However, for some reason, he woke up 20 years later. “The same approach won’t work.” Faster. Stronger. To achieve that, he needed points. Suhyuk decides how to earn points early on. “Cosplaying as Lee Suhyuk is trending?” 20 years have passed, and Lee Suhyuk has become a legend. He didn’t know much about streaming, but if it’s imitating Lee Suhyuk, he was confident. After all, he is Lee Suhyuk. [‘Lee Suhyeok’ has started streaming.]

“I’m sure we’ve all had that weird kid in our class.”“You know, the one everyone avoids like the plague.”“The moron who always comes to school with messy black hair, torn-up clothes, and so many bruises on their body it looks like they were mauled by a bear.”“I know that kid well—”“Because I’m him.”[DING!][YOU HAVE AWAKENED YOUR BLACKSMITH SYSTEM]“Blacksmith system? What the fuck is that?”It’s the power to forge.The power to create weapons that can split the heavens themselves.Weapons that can challenge gods, rewrite fate, and reduce galaxies to dust.Weapons that can cut through time and space.With the Blacksmith System… you have the power of creation.Do you accept?[Y/N]

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates

[Mc takes consent from Woman not their husband][Mc doesn't want to NTR every guy. He only makes their wife cheat for sex.][Making friend's mom fall......is one of his big dreams.]“I like married women and there are so many noble women out there...”A horny Otaku from Earth gets transmigrated as an old Viscount.His lifespan is depleting too quickly due to an injury.Fortunately, there is a Ying Yang technique which can increase his lifespan.“This man has been single for his whole life and never touched a woman? WTF!!” Otaku is shocked from the Viscount's dry life.“I do have the maids, right?”[MC likes married women][Netori, Cheating, Blackmail]