1girl, blurry, blush, breasts, dated, depth_of_field, dress, falling_petals, floral_background, happy_birthday, idolmaster, idolmaster_million_live!, kori_(spinsongs), long_hair, looking_at_viewer, looking_back, ogami_tamaki, one_side_up, orange_hair, petals, skirt_hold, sleeveless, sleeveless_dress, small_breasts, smile, solo, swept_bangs, very_long_hair, white_dress