1boy, 1girl, black hair, blush, breasts, comic, greyscale, indoors, large breasts, medium hair, monochrome, neck ribbon, original, ribbon, shaded face, short hair, short sleeves, sitting, sleeveless, sweat, sweatdrop, tachibana yuu (yakitomato), takahashi keita (yakitomato), tearing up, window, yakitomato