The World of Immortality Also Depends on the Background

The good and bad boy in the 21st century is suspected of having too much mental pressure before the college entrance examination, and countless mental fragments pass through his brain. "Am I going crazy?" However, in the next year, there was no counterattack, no time travel, and no system. Accompanying him are "a college with morning and evening self-study", "a roommate who drives a motorcycle at night", and "classes that I will never understand" Shai Zai returned to the countryside after a year and spent his free time looking back on the past, thinking, "Alas~~, this past is really missed endlessly!" A sudden change occurred! (Yes, he successfully passed through his soul, single female protagonist, no Virgin, no system)