coincoinco, tachibana an, tennis no ouji-sama, flower request, 1boy, 1girl, ankle socks, black hair, black jacket, black pants, black serafuku, black shirt, black skirt, bob cut, brother and sister, brown eyes, brown hair, collarbone, crossed arms, curtained hair, fingernails, gakuran, grin, hair ornament, hairpin, heart, heart hair ornament, jacket, knee blush, legs apart, light blush, light smile, long sleeves, looking at viewer, multiple hairpins, neckerchief, pants, parted hair, pleated skirt, red neckerchief, school uniform, serafuku, shirt, shoes, short hair, siblings, simple background, skirt, smile, sneakers, socks, standing, straight-on, tachibana kippei, v-shaped eyebrows, very short hair, white background, white shoes, white socks