다음 중:While my husband was on a business trip, my dear brother who lived at home suddenly moved to Tokyo. Her brother Natsuki offers to use her spare room and she accepts the offer. When I asked my brother why he came to Tokyo, he told me that he broke up with his girlfriend because of sex and that he wanted to hone his sexual skills in the adult entertainment industry. However, the prostitute he was looking for had already withdrawn, and the brother was at a loss. Taking advantage of his sisters character, he gave her a practice table. Unable to refuse his beloved brothers request, he readily accepted it.