The dark economic organization Econ is attempting to take control of Mountain City! On the surface, they provide citizens with abnormally low-priced goods and services, but in reality, they are engaging in malicious dumping to monopolize the market! They have severely disrupted the economic order of Mountain City, bringing unprecedented disaster to people's lives! Several students who have just entered MBA Academy use the economic knowledge they learned in school to fight against the dark forces of Econ. Can they shoulder the responsibility of saving the world and restore Mountain City's economy?