My ReversalEpisode 2

He was originally an ordinary social worker who was squeezed by working long hours, but fortunately had green plums to accompany him. On his birthday night, he stumbled upon his ex girlfriend having an affair with the CEO of the company, feeling disheartened but receiving a billion dollar text message. It turns out that he is the world's hidden richest man. His sister appeared and revealed the truth, leaving him a black gold card to act low-key.