This title highlights her ability to transition from a cheerful, social party-goer to the center of a more intimate, high-concept fantasy. Production Values of the IPZ Label
Given these keywords, one possible interpretation is that "IPZ-971 Stop At Time-All-you-can-drink Yokota" refers to an event or promotion happening at or near Yokota, possibly targeted towards individuals associated with Yokota Air Base or the local community. This event could offer unlimited drinks for a fixed period, ending at a specified time.