Chinatsu, an innocent and incredibly gentle beautician from the countryside, arrives in Tokyo... and awakens her eroticism with her first time being penetrated and having an unprotected penis. The warmth of the penis, transmitted directly through the vaginal walls, is incredibly pleasurable. The unprotected, large penis penetrates deep into her vagina, causing her large breasts to sway and experience continuous orgasms. "Shoot your semen all over me!" Chinatsu's vagina overflows with sticky semen. Her naturally voluptuous body trembles as she experiences a massive orgasm.