SDMUA-029 A village man with a big dick gets invaded by an urban gang of slutty girls and ends up living with them, resulting in a life of making babies through bareback sex.

Girls visiting the countryside for agricultural training meet a young farmer and reluctantly continue their required courses. However, an accident leads them to discover the farmer's huge penis, changing their attitudes entirely! They make him ejaculate with vacuum fellatio, lay out futons in the tatami room, and have him penetrate deeply for internal ejaculation! With nature as the backdrop, a race begins among the sex-starved girls to find penises…