A volleyball class where neighborhood housewives gather for the purpose of killing idle time rather than winning games, such as tea parties and diets after practice. For some reason it is only beautiful wives with big breasts who gather there. A young and libido coach was inflating his crotch every day to married women who play unprotected and flirting. One day, the coach who got an aphrodisiac that said, "The woman who drank it will be in estrus in a blink of an eye and be your captive!" [Doujin] Click here for the original "Why I am Married Women and Orgy Zanmai (Full Color Comic)"!