1girl, d, alternate_costume, bikini, blue_bikini, blue_hair, breasts, crossed_legs, evening, feet_out_of_frame, flower, hair_flower, hair_ornament, idolmaster, idolmaster_million_live!, karua_(karua23), lens_flare, looking_at_viewer, makabe_mizuki, navel, open_mouth, orange_sky, outdoors, plaid, plaid_bikini, red_scarf, ribbon, scarf, short_hair, side-tie_bikini_bottom, sitting, sky, small_breasts, smile, solo, sun, sunlight, sunset, swimsuit, thighs, white_flower, yellow_eyes, yellow_ribbon