I Transmigrated into a Book as an Extra, So I Farm the Heroine's Negative Emotions

Hong Chen was halfway through reading a novel when he transmigrated into a novel with the same name and became a minor Villain used by the protagonist to farm experience from the start.

Thinking about how he would have to face that terrifying, crooked-mouthed Dragon King, Hong Chen was utterly panicked.

Luckily, the System was on its way. As long as Hong Chen completed his missions, he could unlock skills in all sorts of forms.

In an instant, Hong Chen became the King of Torment.