Murakami is just your average college student—he attends class, works, and plays games on his days off. And it's a day like any other when he comes across a stray in the park near his apartment. But instead of a cute, fluffy friend, Murakami finds himself face to face with...a real-life dragon?! Her name is Ilsera, and she's on a training trip to become a fully fledged member of her species! Her only request is for Murakami to foster her during her time in the human world. And so Murakami somehow winds up with a strange new roommate...