After Rebirth, I Spoiled My Wife and Daughter to the Heavens

No system! No era! A secret formula recorded in a medical classic boosted his company's market capitalization to over one trillion yuan, only to be persecuted by a scumbag woman that very day. In his dying moments, he recalled himself thirty years ago: a year in which he neglected his family for his mistress, a drunk, card-playing, domestically abusive man who even gambled away his daughter's surgery. All that ended when his distraught wife, driven to suicide with their daughter, drowned herself in the river. With his death, he returned to that day. When he opened his eyes, his wife and daughter were both there. "Tang Yuxin, I owe you so much in my last life. In this one, I will protect you from any wrongdoing."