skyhouse, kasuga yuuko, foster, shi-ka-e-shi, game cg, non-web source, 1girl, black eyes, black hair, blush, brown jacket, brown necktie, building, cat, cellphone, cellphone charm, cellphone strap, charm (object), cloud, dutch angle, hair ribbon, holding, holding charm, jacket, long hair, long sleeves, necktie, open clothes, open jacket, open mouth, orange sky, phone, ribbon, school uniform, sky, smile, solo focus, tree, twintails, upper body, white background, white ribbon