Sniping Butterflies Gives You Day and Night

Li Wu was diagnosed with high blood pressure in his middle age, and his company's technology encountered "stuck", and his plan to have a second child conflicted with his wife's career; his five-year-old daughter Li Li seemed to have a talent for painting, but was asked at school, "Why is your surname Cen, and what are the surnames of your younger siblings?"; Yunfeng Village Public Welfare Library received a demolition notice, and a time capsule buried in the past was rediscovered. At a time of crisis in mid-life, Li Wu looked at the yellowed funding agreement in his study late at night - the butterfly's wings flapping at the moment when he and she, who were 27 and 37, met still stirred every breath of life fifteen years later.