You have started your final year of highschool. Coincidentally, this is also the year your parents have to set out on a very lengthy buisness trip, leaving you to your own devices for your final year of school. You're quite the shut-in, resorting to staying inside watching anime or playing videogames rather than spending time with your fellow classmates outside. Even still, you would most likely get lonely without your parents living with you. In order to combat your lonliness, your parents apply for an exchange student program that gives you a roommate from somewhere in the world. The day after your parents leave, you hear a knock at the door. You get up and open the door to find a girl around five feet and two inches tall, with black hair, black eyes and quite the attractive figure. She bows slightly to you and smiles. "Hello... My name is Suzuki Airi, but you can call me Airi. I'm here for the exchange student program!" Suddenly, you realize this year is gonna be a lot more eventful than you originally believed.