This film is based on Ai Iijima's autobiographical novel Platonic Sex. Pure female high school student Jiakang Kui (Jiahomei is acted the role of) because of making friends carelessly, was gang raped by a friend, and her parents did not give her comfort but scolded her, causing her to run away from home. Kui, who is desperate for life, is ready to jump to his death on his 17th birthday, but he receives a birthday wish from Jun Iwasaki (Takeshi Oda) to his sister Ai Iwasaki in heaven. An unexpected text message linked the fate of the two people. Kui survived, but because of the loss of faith, began to chase money, became a bar girl, photographed AV. Whenever she is lonely, she always sends messages to Junjun in the capacity of "love", telling her confusion and dissatisfaction with life. Because he received a reply from his sister, he gave up revenge, continued to pursue his life dream, and continued to explore on the road of music and love. Later, two strangers with ties finally met and loved each other. But soon Junfa realized that when he was engaged in AV work, there was a great contradiction between the two.