Lemon 404 summary: Why do loser programmers dress up as women late at night, why do violent female strongmen become One Punch Man, why do literary and artistic rich second-generations end up living on the streets, why are university professors obsessed with dark philosophy, is it the restlessness of youth or the chaos of the upper class, is it the warmth of truth, goodness and beauty or the superficial brotherhood and fake sisterhood. Please pay attention to the 2018 annual masterpiece and follow the comics to enter the inner world of young men and women.