Demon King and Hero: Wait, I'm Not the Protagonist?

In a daze, Mu Yu ends up in the Goddess Space, forced to become a goddess's lab rat?

At the critical moment, his golden finger comes to the rescue. He steals the goddess's first kiss and unlocks the Macho Man achievement!

But the goddess sends him straight to the finale with a single palm strike.

Unexpectedly, he is reincarnated into a chuunibyou world full of demons. Just as he thinks he's on the protagonist's path, where weak monsters give experience, strong monsters drop gear, and bosses lead to the pinnacle of life, he discovers to his shock that he's only a supporting character!

But no matter. With both his professional integrity and golden finger steering him, Mu Yu successfully turns the tables and becomes the protagonist.

It's just that the process takes a few strange turns.

His little sister is far too affectionate.

The Demon King is a silly, adorable little girl who mistakenly thinks she's the hero and has latched onto him!

A shy junior student looks at him with an oddly peculiar expression!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.