2girls, beach, black_hair, breasts, brown_eyes, brown_hair, cleavage, dress, earrings, high_heels, holding_hands, idolmaster, idolmaster_shiny_colors, idolmaster_shiny_colors_song_for_prism, jewelry, large_breasts, long_hair, multiple_girls, ocean, open_mouth, palm_tree, shirase_sakuya, shoes, tree, tsukioka_kogane, unworn_shoes, white_dress