Yuria, a full-time housewife, is seen by her neighbors as plain, quiet, serious, and the perfect virtuous wife. However, at home she's a horny, penis-obsessed woman who constantly craves her husband's cock. Once undressed, her eager M-cup explosion breasts come to life, and she looks forward to satisfying sex every day. Into the home of this pussy-loving, big-breasted wife comes a young, energetic teenage boy to stay as a guest. The story unfolds with intense curiosity about how their relationship will develop.