1girl, arms_behind_back, black_hair, blurry, blurry_background, closed_mouth, dress, flat_chest, hair_flaps, intestines, long_hair, looking_at_viewer, morita_(pixiv31883607), nitroplus, saya_(saya_no_uta), saya_no_uta, sidelocks, sleeveless, smile, solo, sundress, white_dress