My Granddaughter in the City Is the System

Travel through the parallel world and become a 24K pure diaosi. Chen Nan finally got his own system, but this system is a bit strange! A beautiful girl from the future appeared in front of him, claiming to be his great-great-granddaughter! As an ancestor, he started a life of pretense just to accumulate energy for his granddaughter to transform into a human form! He broke the progress of medicine and set a precedent for successful head transplant surgery! He broke through the heights of literature, and every literary work attracted worldwide attention! ..... When Chen Nan reached the top of the world, her granddaughter finally accumulated energy and transformed into a human body... "Ancestor, what do you want? I can satisfy you~" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.