Female student Nana lives in an apartment with both parents working. She is an only child with a shy personality and a youthful, innocent appearance, truly the epitome of a female student! Also living in her apartment building is a gloomy freelancer, Takimoto. Every time he passes by her room as she returns from school, his twisted and suspicious desires boil over... Not content with just secretly taking pictures of Nana... He finally sneaks into Nana's room when her parents are not home.
