1990s_(style), 1girl, barefoot, bikini, blush, brown_eyes, brown_hair, hair_bobbles, hair_ornament, hugging_object, inflatable_dolphin, inflatable_toy, kai_tomohisa, looking_at_viewer, looking_back, nagakura_emiru, open_mouth, retro_artstyle, sarong, sentimental_graffiti, short_hair, side-tie_bikini_bottom, solo, swimsuit, twintails, yellow_bikini