After We Broke Up, I Used a Development System to Make My Ex Regret Ever Leaving Me

At twenty-five, Fang Chengyu came from a family that wasn't fabulously wealthy, but had more than enough to live comfortably. His father ran a small factory that wasn't an industry leader, but it was enough to give the family a middle-class life. As for Fang Chengyu, he always seemed to drift along the edges of society, calling himself a “freelancer” while actually relying on his family to support him, living a life that seemed carefree but was empty inside.