The Billionaire's Cruel Test

Sean Miller's father, George Miller, was diagnosed with a brain tumor. Sean sold a kidney for his treatment. He discovers his father, supposedly ill, and mother are the richest people in Riverton. They have an adopted son, Finn Miller, raised lavishly. His father believes in a "poor-raising" philosophy, hiding their identity and creating hardships for Sean. Sean is heartbroken and cuts ties with his family, leaving.