Sachiko is an innocent girl who came to Tokyo from the countryside to hide her voluptuous 105cm breasts. - Days full of curiosity and eros. - She learns about pleasure through intense intercourse every day with a sex friend she met in Tokyo, and swallows semen with an innocent look on her face. - Sachiko, who has experienced climax over and over again and is completely addicted to sex, meets a pervert, works part-time at an adult entertainment industry, accumulates extraordinary experiences, and becomes more and more erotic. - Enjoying life in Tokyo while moistening her pussy.