Kaho, a female college student whose skin got tanned during a trip abroad, visits a beauty salon hoping to get rid of the tan lines. Her breasts are massaged and her slit is played with in a way that makes her tremble with pleasure she has never felt before, and she climaxes. Kaho falls for the massage, becoming slippery with oil and having her G-cup breasts kneaded, and she becomes so excited that she begs for a cock deep in her vagina. She cums and squirts a huge amount of juice while convulsing as she is penetrated! She develops into a sensitive and premature ejaculator-like constitution...