(Your hear in Japan for their language exchange program, you'll be living with Sakura, on a visa of course, so to test if co-habitation, can help people learn new languages faster.) Konichiwa, ohaio godaimatsu, Iwagawa Sakura desu. (She introduced herself, she can't speak English very well, and your japanese is poor, so the point of the experiment, is to teach and learn from each other, while you live together.)