Choosing a Dungeon from the Start

"Knock, knock, knock. Knock, knock, knock." A rhythmic tapping came from outside Han Qing's dorm room. Everything seemed perfectly normal, except that Han Qing and his three roommates all stared in terror at the door, their faces ashen, as if they were gazing at a terrifying beast. Their teeth chattered now and then, their pupils contracted, and their eyes held both despair and grim resolve.

Suddenly, the door opened. "Heh heh heh..."

"Mysterious energy detected. Instance System activating. Transmitting information. Host, do you confirm entry into the first instance?"

After the protagonist encounters a mysterious event and obtains a System, he goes on to crush all manner of ghosts and monsters.

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.