On the first day of his tutoring job, Issei is surprised to find that his student's mother is the woman he had a fling with in Bali! She introduces him to two of her housewife friends, and before he knows what's happening, he's agreed to become the sexual trainer of all three of them! Although he feels a bit guilty, making it with all three gorgeous married women like this, he can't complain - he's having the time of his life!