Nana's real father passed away three years ago, and her mother remarried a year ago. Thanks to this, she was able to escape poverty and not have to give up her dream of going to college. However, behind the scenes of this seemingly happy family is her mother, who is only interested in her money, having an affair and not caring about her daughter. Her stepfather is a pervert who desires his daughter's body and rapes her. Moreover, when her mother finds out about the incestuous relationship, she turns a blind eye to it...