[ssis-300-english-subtitle] S1, S1 NO.1 STYLE, English Subtitle AV, by きとるね川口, Tsukasa Aoi, Suddenly her sister comes to the apartment where she lives together. "May I stay tonight?" They went home, but they were confused by the older sister who stayed at their parents' house. The next day she goes to Tokyo for job hunting to replace her sister. "No, if you keep it a secret from your sister ..." For three days when she was absent, she was alone with her too beautiful