The setting this time is the Hakone Onsen hot spring resort! Moreover, the targets are limited to female students with large breasts of E cup or more. To win the prize money, they take on the mission of "licking the water Shizuku off each other's bodies with male customers!" They end up being surrounded by the male customers who happen to be there, and they keep licking the water Shizuku off their bodies. Will they actually get the prize money?