[300MIUM-178] Extremely erotic returnee!!! A genius nymphomaniac gal who learned English and group sex wle studying abroad in America and returned home. Even after her friends left, she stayed at the hotel with her American-trained mentality! Wle everyone else fell asleep, the staff's groins were actually erect the whole time due to her gradually escalating erotic acts: All-night pub crawl 10 around Sbuya Station.