Isekai Fall of the Hero

Alternative:

이세계 용사 함락 / La caída de la Heroína / Fall of the hero

“Fuck the hero.”

“Of course… Wait, what?”

A normal(?) office worker who’s fine after jacking off fifteen times in a row was summoned to another world. Who he met up with was not a goddess, but a demon lord? Plus, if he wants to return to his original world, he has to make the hero fall, something even the demon lord couldn’t do?!