I Became a Scoundrel of a Chaebol Family - Chapter 261: 18+

In a world of endless star fields and interdimensional wars, the wizards' floating city conquered one world after another.At the wizard academy, through blood-stained exams, the towering wizard tower sent wizards batch after batch.Becoming an apprentice wizard, Richard activated the miracle furnace deep within his soul, where constant refining of materials granted him knowledge and skills...The veteran's weapon could be refined into legendary martial arts techniques.The ancient wizard's encrypted notes could be refined into lost knowledge.The remains of brutal monsters could be refined into monster bloodlines.In this era of great voyages in the wizarding world, Richard was destined to become a leader of his time.

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

Waking up in the body of a standard Genin, a village invasion on the horizon and a count down until to a full out apocalypse only a few years away, what's a lad to do? There was only one thing he could do, cheat. Thankfully, this game system that instigated all of this in the first place, was quite helpful in that regard. Gamer Insert.https://www.subscribestar.com/0jordinio0 - Feel free to support me on Subscribestar

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.