Annual tradition of living-in beach house part-time job. Again, staying with those disgusting guys～！I thought, but this year's part-time job is unexpectedly with gal girls!? But completely ignored and feeling down, the gals' erotic threshold drops due to the heat and openness! At night, there's honestly nothing to do at the seaside dormitory, and the frustrated gals. So every night, even my dick is desired, leading to a heated harem orgy!? However, the gals' sex drive is endless with no end in sight…
