Info: On the first day of a new job as a tutor, Issei finds the mother of his student to be the woman he had a fling with in Bali! Happy to meet him again, she later introduces him to her two beautiful "hitozuma" (married) friends, lovely ladies of leisure who are frustrated with their boring sex lives. Before he knows it, he agrees to become their trainer in the pleasures of life. Even though he feels a bit guilty, he can't complain; he's having the time of his life with these three beautiful women! And he never wants it to end...