Cheng Chuwei is the most ordinary girl born in the 1990s. She is 21 years old, a junior, studying in a tepid major in a second-tier city. She loves a boy with whom she has no friendship. Her life is neither sad nor happy, and her happiness is indifferent and warm. At home, he is an arrogant and domineering Dabao. At school, he is one of the millions of ordinary students. He loves everything except studying and is not strong in anything except his weight.