1girl, beach_umbrella, bikini, blush, brown_eyes, brown_hair, cup, drinking_straw, flower, food, fruit, hairband, hibiscus, holding, holding_cup, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, jewelry, lemon, long_hair, looking_at_viewer, lying, navel, necklace, on_side, parted_lips, petals, ribbon, sarong, skywaker, solo, swimsuit, tanaka_kotoha, umbrella, water, wet