3girls, ahoge, aircraft, alstroemeria_(idolmaster), backless_dress, backless_outfit, black_dress, black_suit, bracelet, breasts, building, computer, crossdressing, dress, drone, dutch_angle, floating_hair, formal, glint, headset, helicopter, holster, idolmaster, idolmaster_shiny_colors, jewelry, kuwayama_chiyuki, laptop, large_breasts, long_hair, looking_at_viewer, looking_back, multiple_girls, night, night_sky, osaki_amana, osaki_tenka, outdoors, side_slit, sitting, sky, smile, suit, thigh_holster, very_long_hair