Ookami Shounen Magami-kun

Passing by the riverside at twilight, Mahiru sees a beautiful boy. The next day, she meets him again as a high school classmate. The boy, Sio, is a bit of a mystery, but for some reason he seems to be interested in the shadowy Mahiru. One day, Mahiru discovers a big secret about Sio's family! \n\nA pure and simple story of different races and friendships.