1boy, 1girl, aged_down, bag, black_hair, black_shirt, breasts, brother_and_sister, cleavage, closed_mouth, flower, formal, glasses, holding, holding_umbrella, long_hair, long_sleeves, looking_to_the_side, minakata_hizuru, minakata_ryuunosuke, narakuuu, ponytail, purple_eyes, red_eyes, school_bag, shirt, short_hair, siblings, suit, summertime_render, twins, umbrella