Introduce: 19-year-old Yoshioka Sheng came to Tokyo from a small place, while studying in the college entrance examination tutoring school while working to send newspapers. Yoshioka is responsible for delivering newspapers to more than 300 families every day. He draws a map and lists the names of each family one by one, one by one for dogs and two by flowers. When he feels bored or bored, Yoshioka calls to harass him. He fell in love with Maria, an ugly and lonely woman who was crippled by selling her body. The misfortune of the people around him made Yoshioka irascible. He made phone calls one after another to threaten others, threatening to detonate the Tokyo station and the gas station on the street and kill everyone. However, when he hung up the phone, he just burst into tears. The inner frustration and despair of the protagonist swept through the hearts of the audience, shaking people behind the scenes. This film is based on Kenzi's novel of the same name. The film depicts a young man living at the bottom of society, who is upset and depressed by the heavy mechanical work and the indifferent attitude of others, and can only be mischievous as an outlet for emotion. The 19-year-old used to be the most wonderful time in life, but the whole film is full of depression and depression.