I, the delivery boy, will be invincible after signing in for three years

[Sign in + Xueba + black technology + live broadcast + takeaway + invincible + single heroine]Chen Nuo, a sophomore in Huaqing, part-time food delivery during the summer vacation is bound by the god-level sign-in system. At the beginning of the system, as long as the customer signs for the food delivery, he can sign in to get random skills, and the system upgrade can also draw prizes;Sign in at home for physics professors to acquire university physics professor-level skills;Sign in at the institute to obtain millisecond-level brainwave interaction technology;…… Ding!Congratulations to the host for winning carbon-based chips, unmanned driving technology, mechs, controllable nuclear fusion...;He built a holy place for scientific research and helped the rise of Xia Kingdom;Three years after signing in, he was invincible in the field of scientific research.