In the villa's living room, a young man dressed in half-clothing and wearing ripped upper body, was holding a rag and struggling with a large patch of dirt on the floor.,"He is..." Nangong Jin hesitated for a moment, asking tentatively.,Since his father, Nangong Dalong, unexpectedly passed away, the business of Nangong Group has plummeted, and the responsibility of development now falls on his only son, Nangong Jin.。