The Social Animal Is Reincarnated as a Nobita, Starting with a Blue Fat Man

In my previous life, I worked overtime until I died suddenly. In this life, I was woken up by Fatty Blue crying. Score 2 points on the exam, flirt with girls in eight realms, visit the star gate, and life takes off. She is ten years old forever - will Shizuka still play with me when she grows up? No matter what, I'll go to school with Shizuka tomorrow.