Another World: With the System, I Became a Supporting Character

[Elves, succubi, beast-eared girls, monsters, demon kings, heroes, gods: this world has every element of sword and sorcery you can imagine.]

Kidd, an ordinary person, accidentally transmigrates to an extremely dangerous otherworld.

A demon king who rivals the gods, a witch with limitless blessings, an overpowered hero, and Kidd, who just takes a beating.

The System arrives when he is nine. He thinks he is about to start a glorious rise to power, but the things happening around him soon make him realize something is wrong with this System.

That year, the wind on the mountaintop was especially loud.

As the Sword Saint challenges a dragon, he stands there like an extra.

That year, the night is lonely and passions run high.

As succubi wrestle naked, he trembles in fear.

That year, the demon king attacks and the gods descend.

Watching the protagonists all around him, he finally understands: the System is a fake!

In the end, I finally find the one behind it all, and it turns out to be...

(It's recommended that you read up to Chapter 25. If you don't like it, come beat me up.)