3girls, =_=, alstroemeria_(idolmaster), blush, clenched_teeth, collarbone, dutch_angle, emphasis_lines, headband, idolmaster, idolmaster_shiny_colors, jacket, kuwayama_chiyuki, multiple_girls, osaki_amana, osaki_tenka, outdoors, pants, ponytail, running, sunlight, sunset, sweatdrop, tears, teeth, track_jacket, track_pants, twintails, white_headband