Liudaoyuan Jingzhe said: "I think the two most important things in life are sleeping and eating, and nothing else is important." "Ah, I'm fifteen. I've graduated with a Ph. D., And it's time to pack up and go to high school." "I am a recommended student, the kind who is exempted from cultural courses~" "If you are good at craftsmanship, I can open a small stove for you for free~" After time traveling, a psychology student obeyed his parents' wishes, but actually did not want to go to kindergarten or elementary school, so he got his doctorate at the age of fifteen. Unfortunately, his parents died in a car accident later. After his parents were gone, he discovered that an unknown organization had already targeted him, so he took advantage of the beginning of the school year to study in the hero class. The author is a person who is forced to love learning but still generates energy for love. The updates are really random.