Parental Love, I Am Jiang Weiguo

Core setting: The male protagonist is reborn as Jiang Weiguo in "Parental Love", with a built-in sign-in system. In his childhood, he pretended to be pigs and eat tigers to benefit the family. After showing his talent in scientific research, he was selected by the country to delve into the field of weapons research and development. He got to know and fall in love with the female protagonist's colleagues with rich backgrounds, started a family and started a career, and achieved the perfection of his family and country. Female protagonist setting: Su Wan, a top student at the National University of Defense Technology, the daughter of a general, is independent and intelligent, specializes in ballistics, and is a core member of the weapons research and development project with Jiang Weiguo. System rules: Daily sign-in to obtain skills/materials/knowledge; triggering key events (family turnaround/scientific research breakthrough/contribution to the country) will result in large rewards; rewards include advanced knowledge in mathematics, physics and chemistry, military manufacturing drawings, physical fitness skills, scarce materials in the era, etc.