Tycoon: From Sweeping Streets to Ruling the World

At 25, he is an ordinary sanitation worker. Kindhearted, but born into poverty and stuck in a lowly job, he has endured countless scornful looks and humiliations. He and his seriously ill younger sister depend on each other, while medical bills leave him deeply worried. Though he lives at the bottom of society, he retains his dignity and intelligence. He keeps clear accounts of grudges and kindness, and acts decisively. After gaining an ability, he is neither softhearted nor melodramatic: he repays every grudge and every kindness...