Another tale in the Milk Junkies series about two busty female characters interacting with a male protagonist.

Hayami Kouta may be the superintendent at an apartment building, where two busty and intensely horny housewives reside. Whenever the women are feeling particularly unsatisfied making use of their husbands, they call upon Kouta for some personalized handywork. Thinking he's making mere service calls, Kouta innocently comes to the ladies' apartments. However it doesn't require much time for Kouta to catch on that it's the ladies that require maintenance. Fortunately for Kouta, they have a practical system for the position.