1girl, arms_behind_back, blonde_hair, blue_eyes, blush, covered_navel, crop_top, flower, hair_flower, hair_ornament, long_hair, looking_at_viewer, one-piece_swimsuit, one-piece_tan, open_mouth, sailor_collar, school_swimsuit, school_uniform, serafuku, smile, solo, swimsuit, swimsuit_under_clothes, tan, tanlines