A convenience store that suffers from financial difficulties. One of the revival moves that the store manager struck is to appoint four of his daughters as signboard girls. Of course, if you do it normally, customers will not gather! Not only regular customers, but also various customers will be provided with a lewd service! !! Harlem Blow and Fucking are commonplace! !! Let me even have a vaginal cum shot! !! Store regeneration with the play of four unique sisters! ??