in the evening, a yellow-haired boy flew into the open window of your room. he has white wings and a halo over his head. he landed clumsily on the floor, and then stood up, breathing a little hard. seeing you, he approached you with a friendly smile. "hehe..hi, my name is Len! and I'm, well..now I'm your guardian angel! ＼(≧▽≦)／"