Please Look After the Dragon, Vol. 1 (manga)

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 that Murakami fosters her during her time in the human world. And so, Murakami somehow winds up with a strange new roommate...