When all the male idols in the school spend a lot of money on the school beauty, Su Yu, a "wimp", flatly refuses to pay for her. He came through time travel, holds the system in his hand, and is familiar with all the secrets of this plutocratic country. Starting from rejecting the school beauty, his counterattack sweeps through the campus, gangs and chaebols. He will become the most terrifying predator in the dark jungle of Goryeo.
