1girl, ahoge, blurry, blurry_background, blush, breasts, brown_hair, cleavage, collarbone, eyewear_on_head, huge_ahoge, idolmaster, idolmaster_shiny_colors, kuwayama_chiyuki, large_breasts, leaning_forward, looking_at_viewer, navel, outdoors, smile, solo, za_yu_a