1girl, black_skirt, blush, brown_hair, collarbone, eyebrows, eyebrows_visible_through_hair, folded_ponytail, hand_on_own_stomach, long_sleeves, looking_at_viewer, lying, midriff, navel, neckerchief, on_back, open_mouth, petals, sailor_collar, school_uniform, serafuku, skirt, smile, solo, water, yellow_eyes