On her way home from club activities, Mao notices a mobile phone ringing from a bush on the sidewalk and picks it up without thinking.The call came from the person who lost it, and Mao kindly went to the address specified by the man to deliver it.When Mao goes up to her room and drinks the tea served to her, she loses consciousness.Taking advantage of her kindness, a despicable man puts Mao to sleep and confines her, playing with the girl's innocent body.Mao, who was relentlessly tampered with her genitals and tasted her first pleasure, gradually became dominated by men.