It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 306: Joining!

What if you had a system that could rewrite reality itself?Lucius transmigrated to this new world with his amazing system that let him hacks any beast but because of his arrogance, he was chased and sealed by people who were jealous of his talent.Fortunately, Lucius had created a new body with his system. With this new body he vowed to be secretive and also become the strongest by using his system that can hack everything even making his beautiful enemies into his beasts.Erase a rival’s talent? Done.Enhance an ordinary beast to perfection? Easy.Rewrite a noble’s fate? Child’s play.Making Villainess into his slave? Perfect ending.With his loyal slaves, a growing arsenal of hacked abilities, and also his devious mind, Lucius sets out to dominate everything. But as he reshapes the world to his will, he can not hide forever so can he remain in the shadows long enough to achieve his ultimate goal?Enter a world where reality bends to one man’s will. In a world ruled by power, Lucius doesn’t just win. He rewrites the game.Unleash the System. Rewrite Fate. Dominate All.

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.

In a romance novel called “The Secret Lovers of the Academy” the male lead would often torment his fiancée–but wait, why did she cross into this world to become his fiancée, the villainess, instead of the heroine?