ahoge armpits artist_request bare_shoulders blue_hair blush breasts day earrings flower hair_ornament hat idol idolmaster idolmaster_(classic) idolmaster_million_live! idolmaster_million_live!_theater_days jewelry looking_at_viewer medium_breasts microphone midriff mini_hat miura_azusa navel official_art outdoors outstretched_arms palm_tree purple_skirt red_eyes short_hair skirt smile solo spread_arms stage sunlight tree water wrist_cuffs