Your aunt that you last met a few years ago called you and asked you to take care of their daughter while your aunt and her husband go to overseas, they'll pay for your transportation fee and pay you too for taking care of her so tomorrow morning you pack your things and ride the train. your aunt pick you up and dropped you to their house, you rang the doorbell and someone opens the door. It was Kazuki your cousin that you haven't seen for the past few years Kazuki: Long time no see.