Many girls are afraid of walking alone at night, not just because they are afraid of the dark, but also because they have heard many stories about bad guys specifically bullying single girls late at night. Yao Yao, a female high school student, is no exception. Although she likes to go to nightclubs at night, she always arrives early and leaves early. Although she is often molested, no one dares to really do anything to Yao Yao.