2girls, alternate_costume, antenna_hair, artist_name, asakura_toru, ass, belt, bikini, blue_eyes, blue_hair, bottle, brown_hair, drinking_straw, gradient_hair, hair_ornament, hairclip, higuchi_madoka, holding, holding_bottle, idolmaster, idolmaster_shiny_colors, looking_at_viewer, looking_back, maou_(demonlord), mole, mole_under_eye, multicolored_hair, multiple_girls, navel, purple_eyes, short_hair, simple_background, stomach, swimsuit, thigh_pouch, water_bottle, white_background