1girl, bare_shoulders, blush, breasts, c_(theta), collarbone, dated, dress, feet_out_of_frame, fingernails, grass, heart, idolmaster, idolmaster_million_live!, light_particles, long_hair, looking_at_viewer, nail_polish, ogami_tamaki, one_side_up, orange_hair, see-through, sleeveless, sleeveless_dress, small_breasts, smile, solo, sundress, swing, very_long_hair, white_dress